refactor: update treesitter and which-key config (nvim-lua#1068)

Author: iton0

init.lua

@@ -944,6 +944,8 @@ require('lazy').setup({
   { -- Highlight, edit, and navigate code
     'nvim-treesitter/nvim-treesitter',
     build = ':TSUpdate',
+    main = 'nvim-treesitter.configs', -- Sets main module to use for opts
+    -- [[ Configure Treesitter ]] See `:help nvim-treesitter`
     opts = {
       ensure_installed = {
         -- 'arduino',
@@ -995,19 +997,12 @@ require('lazy').setup({
       },
       indent = { enable = true, disable = { 'ruby' } },
     },
-    config = function(_, opts)
-      -- [[ Configure Treesitter ]] See `:help nvim-treesitter`
-
-      ---@diagnostic disable-next-line: missing-fields
-      require('nvim-treesitter.configs').setup(opts)
-
-      -- There are additional nvim-treesitter modules that you can use to interact
-      -- with nvim-treesitter. You should go explore a few and see what interests you:
-      --
-      --    - Incremental selection: Included, see `:help nvim-treesitter-incremental-selection-mod`
-      --    - Show your current context: https://github.com/nvim-treesitter/nvim-treesitter-context
-      --    - Treesitter + textobjects: https://github.com/nvim-treesitter/nvim-treesitter-textobjects
-    end,
+    -- There are additional nvim-treesitter modules that you can use to interact
+    -- with nvim-treesitter. You should go explore a few and see what interests you:
+    --
+    --    - Incremental selection: Included, see `:help nvim-treesitter-incremental-selection-mod`
+    --    - Show your current context: https://github.com/nvim-treesitter/nvim-treesitter-context
+    --    - Treesitter + textobjects: https://github.com/nvim-treesitter/nvim-treesitter-textobjects
   },
 
   -- The following two comments only work if you have downloaded the kickstart repo, not just copy pasted the