fix: new nvim-treesitter config syntax

lua/plugins/treesitter.lua

@@ -1,13 +1,24 @@
 return {
-	{ "nvim-treesitter/nvim-treesitter", build = ":TSUpdate",
+  "nvim-treesitter/nvim-treesitter",
+  lazy = false,
+  build = ":TSUpdate",
   config = function ()
-      local configs = require("nvim-treesitter.configs")
-      configs.setup({
-        ensure_installed = { "lua", "vim", "yaml" },
-        sync_install = false,
-        highlight = { enable = true },
-        indent = { enable = true },
+    local treesitter = require("nvim-treesitter")
+    treesitter.setup()
+    treesitter.install { "lua", "vim", "yaml" }
+
+    vim.api.nvim_create_autocmd('FileType', {
+      pattern = { "lua", "vim", "yaml" },
+      callback = function()
+        -- syntax highlighting, provided by Neovim
+        vim.treesitter.start()
+        -- folds, provided by Neovim (I don't like folds)
+        -- vim.wo.foldexpr = 'v:lua.vim.treesitter.foldexpr()'
+        -- vim.wo.foldmethod = 'expr'
+        -- indentation, provided by nvim-treesitter
+        vim.bo.indentexpr = "v:lua.require'nvim-treesitter'.indentexpr()"
+      end,
     })
+
   end
  }
-}