my demo first config lua

back/lua/plugins/cmp.lua

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+return {
+  {
+    "L3MON4D3/LuaSnip",
+    keys = function()
+      return {}
+    end,
+  },
+  {
+    "hrsh7th/nvim-cmp",
+    dependencies = {
+      "hrsh7th/cmp-emoji",
+      config = function()
+        local cmp = require("cmp")
+
+        -- cmp.setup.cmdline(":", {
+        --   mapping = cmp.mapping.preset.cmdline(),
+        --   sources = cmp.config.sources({
+        --     { name = "path" },
+        --   }, {
+        --     {
+        --       name = "cmdline",
+        --       option = {
+        --         ignore_cmds = { "Man", "!" },
+        --       },
+        --     },
+        --   }),
+        -- })
+
+      end,
+    },
+    -- @param opts cmp.ConfigSchema
+    opts = function(_, opts)
+      local cmp = require("cmp")
+
+      opts.preselect = cmp.PreselectMode.None
+      opts.completion = {
+        completeopt = "noselect",
+      }
+
+      local has_words_before = function()
+        unpack = unpack or table.unpack
+        local line, col = unpack(vim.api.nvim_win_get_cursor(0))
+        return col ~= 0 and vim.api.nvim_buf_get_lines(0, line - 1, line, true)[1]:sub(col, col):match("%s") == nil
+      end
+
+      local luasnip = require("luasnip")
+
+      opts.mapping = vim.tbl_extend("force", opts.mapping, {
+        ["<CR>"] = cmp.mapping.confirm({ select = false }),
+        ["<Tab>"] = cmp.mapping(function(fallback)
+          if cmp.visible() then
+            cmp.select_next_item()
+          -- You could replace the expand_or_jumpable() calls with expand_or_locally_jumpable()
+          -- this way you will only jump inside the snippet region
+          elseif luasnip.expand_or_jumpable() then
+            luasnip.expand_or_jump()
+          elseif has_words_before() then
+            cmp.complete()
+          else
+            fallback()
+          end
+        end, { "i", "s" }),
+        ["<S-Tab>"] = cmp.mapping(function(fallback)
+          if cmp.visible() then
+            cmp.select_prev_item()
+          elseif luasnip.jumpable(-1) then
+            luasnip.jump(-1)
+          else
+            fallback()
+          end
+        end, { "i", "s" }),
+      })
+    end,
+  },
+}

back/lua/plugins/colorscheme.lua

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+return {
+  "neanias/everforest-nvim",
+  lazy = false,
+  priority = 1000,
+  config = function()
+    vim.cmd.colorscheme "everforest"
+    vim.cmd "let g:everforest_better_performance = 1"
+    vim.cmd "let g:everforest_background = 'soft'"
+    vim.cmd "let g:airline_theme = 'everforest'"
+  end,
+}

back/lua/plugins/core.lua

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+return {
+  {
+    "LazyVim/LazyVim",
+    opts = {
+      colorscheme = "catppuccin"
+    },
+  },
+}

back/lua/plugins/disabled.lua

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+return {
+  { "echasnovski/mini.indentscope", enabled = false },
+  { "folke/noice.nvim", enabled = false },
+  { "rcarriga/nvim-notify", enabled = false },
+  { "folke/flash.nvim", enabled = false },
+  { "ggandor/flit.nvim", enabled = false },
+  -- { "ggandor/leap.nvim", enabled = false },
+}

back/lua/plugins/init.lua

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+return {
+  {
+    "jwalton512/vim-blade",
+    enabled = true,
+  },
+  {
+    "tpope/vim-dispatch",
+    cmd = { "Make", "Dispatch" },
+  },
+  "tpope/vim-surround",
+  "tpope/vim-repeat",
+  "tpope/vim-rhubarb",
+  "tpope/vim-dotenv",
+  "tpope/vim-eunuch",
+}

back/lua/plugins/lspconfig.lua

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+return {
+  {
+    "neovim/nvim-lspconfig",
+    opts = {
+      diagnostics = {
+        underline = true,
+        virtual_text = false,
+        float = {
+          border = "rounded",
+        },
+      },
+      servers = {
+        kotlin_language_server = {},
+        bashls = {},
+        lemminx = {},
+        ltex = {
+          settings = {
+            ltex = {
+              language = "ru-RU",
+            },
+          },
+        },
+      },
+    },
+  },
+}

back/lua/plugins/mason.lua

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+return {
+  {
+    "williamboman/mason.nvim",
+    opts = function(_, opts)
+      -- table.insert(opts.ensure_installed, "google-java-format")
+    end,
+  },
+}

back/lua/plugins/neo-tree.lua

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+return {
+  "nvim-neo-tree/neo-tree.nvim",
+  branch = "v2.x",
+  reqrires = {
+    "nvim-lua/plenary.nvim",
+    "nvim-tree/nvim-web-devicons", -- not strictly required, but recommended
+    "MunifTanjim/nui.nvim",
+    {
+      -- only needed if you want to use the commands with "_with_window_picker" suffix
+      's1n7ax/nvim-window-picker',
+      tag = "v1.*",
+      config = function()
+        require 'window-picker'.setup({
+          autoselect_one = true,
+          include_current = false,
+          filter_rules = {
+            -- filter using buffer options
+            bo = {
+              -- if the file type is one of following, the window will be ignored
+              filetype = { 'neo-tree', "neo-tree-popup", "notify" },
+
+              -- if the buffer type is one of following, the window will be ignored
+              buftype = { 'terminal', "quickfix" },
+            },
+          },
+          other_win_hl_color = '#e35e4f',
+        })
+      end,
+    }
+  },
+  config = function()
+    -- Unless you are still migrating, remove the deprecated commands from v1.x
+    vim.cmd([[ let g:neo_tree_remove_legacy_commands = 1 ]])
+
+    -- If you want icons for diagnostic errors, you'll need to define them somewhere:
+    vim.fn.sign_define("DiagnosticSignError",
+      { text = " ", texthl = "DiagnosticSignError" })
+    vim.fn.sign_define("DiagnosticSignWarn",
+      { text = " ", texthl = "DiagnosticSignWarn" })
+    vim.fn.sign_define("DiagnosticSignInfo",
+      { text = " ", texthl = "DiagnosticSignInfo" })
+    vim.fn.sign_define("DiagnosticSignHint",
+      { text = "", texthl = "DiagnosticSignHint" })
+    -- NOTE: this is changed from v1.x, which used the old style of highlight groups
+    -- in the form "LspDiagnosticsSignWarning"
+
+    require("neo-tree").setup({
+      close_if_last_window = false, -- Close Neo-tree if it is the last window left in the tab
+      popup_border_style = "rounded",
+      enable_git_status = true,
+      enable_diagnostics = true,
+      sort_case_insensitive = false, -- used when sorting files and directories in the tree
+      sort_function = nil, -- use a custom function for sorting files and directories in the tree
+      -- sort_function = function (a,b)
+      --       if a.type == b.type then
+      --           return a.path > b.path
+      --       else
+      --           return a.type > b.type
+      --       end
+      --   end , -- this sorts files and directories descendantly
+      default_component_configs = {
+        container = {
+          enable_character_fade = true
+        },
+        indent = {
+          indent_size = 2,
+          padding = 1, -- extra padding on left hand side
+          -- indent guides
+          with_markers = true,
+          indent_marker = "│",
+          last_indent_marker = "└",
+          highlight = "NeoTreeIndentMarker",
+          -- expander config, needed for nesting files
+          with_expanders = nil, -- if nil and file nesting is enabled, will enable expanders
+          expander_collapsed = "",
+          expander_expanded = "",
+          expander_highlight = "NeoTreeExpander",
+        },
+        icon = {
+          folder_closed = "",
+          folder_open = "",
+          folder_empty = "ﰊ",
+          -- The next two settings are only a fallback, if you use nvim-web-devicons and configure default icons there
+          -- then these will never be used.
+          default = "*",
+          highlight = "NeoTreeFileIcon"
+        },
+        modified = {
+          symbol = "[+]",
+          highlight = "NeoTreeModified",
+        },
+        name = {
+          trailing_slash = false,
+          use_git_status_colors = true,
+          highlight = "NeoTreeFileName",
+        },
+        git_status = {
+          symbols = {
+            -- Change type
+            added     = "", -- or "✚", but this is redundant info if you use git_status_colors on the name
+            modified  = "", -- or "", but this is redundant info if you use git_status_colors on the name
+            deleted   = "✖", -- this can only be used in the git_status source
+            renamed   = "", -- this can only be used in the git_status source
+            -- Status type
+            untracked = "",
+            ignored   = "",
+            unstaged  = "",
+            staged    = "",
+            conflict  = "",
+          }
+        },
+      },
+      window = {
+        position = "left",
+        width = 40,
+        mapping_options = {
+          noremap = true,
+          nowait = true,
+        },
+        mappings = {
+          ["<space>"] = {
+            "toggle_node",
+            nowait = false, -- disable `nowait` if you have existing combos starting with this char that you want to use
+          },
+          ["<2-LeftMouse>"] = "open",
+          ["<cr>"] = "open",
+          ["<esc>"] = "revert_preview",
+          ["P"] = { "toggle_preview", config = { use_float = true } },
+          ["l"] = "focus_preview",
+          ["S"] = "open_split",
+          ["s"] = "open_vsplit",
+          -- ["S"] = "split_with_window_picker",
+          -- ["s"] = "vsplit_with_window_picker",
+          ["t"] = "open_tabnew",
+          -- ["<cr>"] = "open_drop",
+          -- ["t"] = "open_tab_drop",
+          ["w"] = "open_with_window_picker",
+          --["P"] = "toggle_preview", -- enter preview mode, which shows the current node without focusing
+          ["C"] = "close_node",
+          -- ['C'] = 'close_all_subnodes',
+          ["z"] = "close_all_nodes",
+          --["Z"] = "expand_all_nodes",
+          ["a"] = {
+            "add",
+            -- this command supports BASH style brace expansion ("x{a,b,c}" -> xa,xb,xc). see `:h neo-tree-file-actions` for details
+            -- some commands may take optional config options, see `:h neo-tree-mappings` for details
+            config = {
+              show_path = "none" -- "none", "relative", "absolute"
+            }
+          },
+          ["A"] = "add_directory", -- also accepts the optional config.show_path option like "add". this also supports BASH style brace expansion.
+          ["d"] = "delete",
+          ["r"] = "rename",
+          ["y"] = "copy_to_clipboard",
+          ["x"] = "cut_to_clipboard",
+          ["p"] = "paste_from_clipboard",
+          ["c"] = "copy", -- takes text input for destination, also accepts the optional config.show_path option like "add":
+          -- ["c"] = {
+          --  "copy",
+          --  config = {
+          --    show_path = "none" -- "none", "relative", "absolute"
+          --  }
+          --}
+          ["m"] = "move", -- takes text input for destination, also accepts the optional config.show_path option like "add".
+          ["q"] = "close_window",
+          ["R"] = "refresh",
+          ["?"] = "show_help",
+          ["<"] = "prev_source",
+          [">"] = "next_source",
+        }
+      },
+      nesting_rules = {},
+      filesystem = {
+        filtered_items = {
+          visible = false, -- when true, they will just be displayed differently than normal items
+          hide_dotfiles = true,
+          hide_gitignored = true,
+          hide_hidden = true, -- only works on Windows for hidden files/directories
+          hide_by_name = {
+            --"node_modules"
+          },
+          hide_by_pattern = { -- uses glob style patterns
+            --"*.meta",
+            --"*/src/*/tsconfig.json",
+          },
+          always_show = { -- remains visible even if other settings would normally hide it
+            --".gitignored",
+          },
+          never_show = { -- remains hidden even if visible is toggled to true, this overrides always_show
+            --".DS_Store",
+            --"thumbs.db"
+          },
+          never_show_by_pattern = { -- uses glob style patterns
+            --".null-ls_*",
+          },
+        },
+        follow_current_file = false, -- This will find and focus the file in the active buffer every
+        -- time the current file is changed while the tree is open.
+        group_empty_dirs = false, -- when true, empty folders will be grouped together
+        hijack_netrw_behavior = "open_default", -- netrw disabled, opening a directory opens neo-tree
+        -- in whatever position is specified in window.position
+        -- "open_current",  -- netrw disabled, opening a directory opens within the
+        -- window like netrw would, regardless of window.position
+        -- "disabled",    -- netrw left alone, neo-tree does not handle opening dirs
+        use_libuv_file_watcher = false, -- This will use the OS level file watchers to detect changes
+        -- instead of relying on nvim autocmd events.
+        window = {
+          mappings = {
+            ["<bs>"] = "navigate_up",
+            ["."] = "set_root",
+            ["H"] = "toggle_hidden",
+            ["/"] = "fuzzy_finder",
+            ["D"] = "fuzzy_finder_directory",
+            ["#"] = "fuzzy_sorter", -- fuzzy sorting using the fzy algorithm
+            -- ["D"] = "fuzzy_sorter_directory",
+            ["f"] = "filter_on_submit",
+            ["<c-x>"] = "clear_filter",
+            ["[g"] = "prev_git_modified",
+            ["]g"] = "next_git_modified",
+          }
+        }
+      },
+      buffers = {
+        follow_current_file = true, -- This will find and focus the file in the active buffer every
+        -- time the current file is changed while the tree is open.
+        group_empty_dirs = true, -- when true, empty folders will be grouped together
+        show_unloaded = true,
+        window = {
+          mappings = {
+            ["bd"] = "buffer_delete",
+            ["<bs>"] = "navigate_up",
+            ["."] = "set_root",
+          }
+        },
+      },
+      git_status = {
+        window = {
+          position = "float",
+          mappings = {
+            ["A"]  = "git_add_all",
+            ["gu"] = "git_unstage_file",
+            ["ga"] = "git_add_file",
+            ["gr"] = "git_revert_file",
+            ["gc"] = "git_commit",
+            ["gp"] = "git_push",
+            ["gg"] = "git_commit_and_push",
+          }
+        }
+      }
+    })
+
+    vim.cmd([[nnoremap \ :Neotree reveal<cr>]])
+  end
+}

back/lua/plugins/others.lua

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+return {
+  {
+    "tigion/nvim-asciidoc-preview",
+    ft = { "asciidoc" },
+    -- opts = {},
+  },
+  {
+    "windwp/nvim-autopairs",
+    event = "InsertEnter",
+    opts = {}, -- this is equalent to setup({}) function
+  },
+  { "isobit/vim-caddyfile" },
+  { -- maybe https://github.com/0x00-ketsu/autosave.nvim
+    "0x00-ketsu/autosave.nvim",
+    opts = {},
+  },
+  {
+    "Wansmer/treesj",
+    keys = {
+      { "<leader>j", "<cmd>TSJToggle<cr>", desc = "Join Toggle" },
+    },
+    opts = { use_default_keymaps = false, max_join_length = 150 },
+  },
+  {
+    "s1n7ax/nvim-window-picker",
+    name = "window-picker",
+    event = "VeryLazy",
+    version = "2.*",
+    config = function()
+      require("window-picker").setup()
+    end,
+  },
+  { "slim-template/vim-slim" },
+  { "tpope/vim-rails" },
+  --     use 'slim-template/vim-slim'
+  { "dhruvasagar/vim-table-mode" },
+  { "tree-sitter/tree-sitter-embedded-template" },
+  { "RRethy/nvim-treesitter-endwise" },
+  { "dyng/ctrlsf.vim" },
+  {
+    "kylechui/nvim-surround",
+    version = "*", -- Use for stability; omit to use `main` branch for the latest features
+    event = "VeryLazy",
+    opts = {},
+  },
+}

back/lua/plugins/telescope.lua

@@ -0,0 +1,24 @@
+return {
+  {
+    "nvim-telescope/telescope.nvim",
+    opts = {
+      defaults = {
+        -- sorting_strategy = "ascending",
+        mappings = {
+          -- restore default behavior
+          i = {
+            ["<C-u>"] = false,
+            ["<C-d>"] = false,
+          },
+          n = {},
+        },
+      },
+      pickers = {
+        buffers = {
+          ignore_current_buffer = true,
+          sort_mru = true,
+        },
+      },
+    },
+  },
+}

back/lua/plugins/treesitter.lua

@@ -0,0 +1,10 @@
+return {
+  {
+    "nvim-treesitter/nvim-treesitter",
+    opts = {
+      endwise = {
+        enable = true,
+      },
+    },
+  },
+}