my demo first config lua

lua/alpha/lsp/servers/emmet_ls.lua

@@ -0,0 +1,12 @@
+local lsp_attach = require "alpha.lsp.attach"
+local lsp_flags = require "alpha.lsp.flags"
+
+return function(ops)
+  local capabilities = require("cmp_nvim_lsp").default_capabilities(vim.lsp.protocol.make_client_capabilities())
+  return vim.tbl_extend("force", {
+      on_attach = lsp_attach,
+      flags = lsp_flags,
+      capabilities = capabilities,
+      filetypes = { "html", "typescriptreact", "javascriptreact", "css", "sass", "scss", "less", "blade", "vue" },
+    }, ops)
+end