styling options, added stub function for customizing gruvbox

lua/sld/lazy.lua

@@ -768,6 +768,7 @@ require('lazy').setup({
   require 'sld.gruvbox',
   require 'sld.tree',
   require 'sld.lualine',
+  require 'sld.autopairs',
   -- NOTE: The import below can automatically add your own plugins, configuration, etc from `lua/custom/plugins/*.lua`
   --    This is the easiest way to modularize your config.
   --