let neotree detect root by .git dir

lua/plugins/lsp.lua

@@ -16,6 +16,8 @@ return {
       'b0o/SchemaStore.nvim',
     },
     config = function()
+      local util = require 'lspconfig.util'
+
       require('neodev').setup {
         -- library = {
         --   plugins = { "nvim-dap-ui" },
@@ -39,6 +41,7 @@ return {
         cssls = true,
 
         ts_ls = {
+          root_dir = util.find_git_ancestor,
           settings = {
             diagnostics = {
               ignoredCodes = {