add support for new LSP config API in Neovim 0.11+

Based on nvim-lua#1475

Author: oriori1703

lua/kickstart/plugins/lspconfig.lua

@@ -21,7 +21,7 @@ return {
       -- Mason must be loaded before its dependents so we need to set it up here.
       -- NOTE: `opts = {}` is the same as calling `require('mason').setup({})`
       { 'mason-org/mason.nvim', opts = {} },
-      'mason-org/mason-lspconfig.nvim',
+      { 'mason-org/mason-lspconfig.nvim', opts = {} },
       'WhoIsSethDaniel/mason-tool-installer.nvim',
 
       -- Useful status updates for LSP.
@@ -313,20 +313,14 @@ return {
       })
       require('mason-tool-installer').setup { ensure_installed = ensure_installed }
 
-      require('mason-lspconfig').setup {
-        ensure_installed = {}, -- explicitly set to an empty table (Kickstart populates installs via mason-tool-installer)
-        automatic_installation = false,
-        handlers = {
-          function(server_name)
-            local server = servers[server_name] or {}
-            -- This handles overriding only values explicitly passed
-            -- by the server configuration above. Useful when disabling
-            -- certain features of an LSP (for example, turning off formatting for ts_ls)
-            server.capabilities = vim.tbl_deep_extend('force', {}, capabilities, server.capabilities or {})
-            require('lspconfig')[server_name].setup(server)
-          end,
-        },
-      }
+      -- Installed LSPs are configured and enabled automatically with mason-lspconfig
+      -- The loop below is for overriding the default configuration of LSPs with the ones in the servers table
+      for server_name, config in pairs(servers) do
+        vim.lsp.config(server_name, config)
+      end
+
+      -- NOTE: Some servers may require an old setup until they are updated. For the full list refer here: https://github.com/neovim/nvim-lspconfig/issues/3705
+      -- These servers will have to be manually set up with require("lspconfig").server_name.setup{}
     end,
   },
 }