my demo first config lua

lua/alpha/lsp/mason.lua

@@ -0,0 +1,23 @@
+local mason_lspconfig = require "mason-lspconfig"
+local servers = require "alpha.lsp.servers"
+local lspconfig = require "lspconfig"
+
+local mason_servers = {}
+
+for server, _ in pairs(servers) do
+  local cmd = lspconfig[server].cmd[1]
+  if vim.fn.executable(cmd) == 0 then
+    table.insert(mason_servers, server)
+  end
+end
+
+mason_lspconfig.setup {
+  -- ensure_installed = mason_servers,
+}
+
+-- filter the list for the ones not globally installed
+-- require("mason-tool-installer").setup {
+--   ensure_installed = vim.tbl_filter(function (tool)
+--     return vim.fn.executable(tool) == 0
+--   end, require "alpha.lsp.tools"),
+-- }