nvim: enable support for more stuff in treesitter

.config/nvim/lua/my/fileformats.lua

@@ -11,7 +11,10 @@ packer.use {
                 enable = true,
                 additional_vim_regex_highlighting = { 'org' }
             },
-            ensure_installed = { 'org' },
+            ensure_installed = {
+                'org', 'css', 'comment', 'json', 'json5',
+                'cpp', 'c', 'lua', 'bash', 'javascript' ,'cmake', 'make',
+            },
         }
     end
 }