update for new nvim-treesitter api

vimrc.lua

@@ -27,16 +27,11 @@ end
 
 vim.cmd([[colorscheme gruvbox]])
 
-require 'nvim-treesitter.configs'.setup {
-	highlight = { enable = true, disable = {} },
-	indent = { enable = false, disable = {} },
-	rainbow = {
-		enable = true,
-		extended_mode = true,
-		max_file_lines = 1000,
-		colors = { '#ff0000', '#0051a0', '#ffa500', '#ffff00', '#008000', '#8003f2' }
-	}
-}
+vim.api.nvim_create_autocmd('FileType', {
+	callback = function(args)
+		pcall(vim.treesitter.start, args.buf)
+	end,
+})
 
 -- Mappings.
 -- See `:help vim.diagnostic.*` for documentation on any of the below functions