[nvim] a bunch of stuff

.config/nvim/lua/plugins/ui.lua

@@ -96,5 +96,11 @@ return {
             "nvim-treesitter/nvim-treesitter",
             "nvim-tree/nvim-web-devicons"
         }
+    },
+    {
+        'norcalli/nvim-colorizer.lua',
+        config = function()
+            require 'colorizer'.setup()
+        end
     }
 }