Fix lua vim global

lua/plugins/nvim-lspconfig.lua

@@ -6,7 +6,14 @@ return {
     -- example using `opts` for defining servers
     opts = {
       servers = {
-        lua_ls = {},
+        lua_ls = {
+          autostart = true,
+          settings = {
+            Lua = {
+              diagnostics = { globals = {'vim'} }
+            }
+          },
+        },
         markdown_oxide = {},
         terraformls = {},
         superhtml = {},