fix nvim-lint, other fixes

lua/plugins/treesitter.lua

@@ -38,7 +38,7 @@ return function()
             -- Set this to `true` if you depend on 'syntax' being enabled (like for indentation).
             -- Using this option may slow down your editor, and you may see some duplicate highlights.
             -- Instead of true it can also be a list of languages
-            additional_vim_regex_highlighting = false, -- default=false
+            additional_vim_regex_highlighting = true, -- default=false
         },
     }
 end