Add colorizer

(cherry picked from commit aa21b3b119)

neovim/.config/nvim/lua/warrenhood/plugins.lua

@@ -164,6 +164,13 @@ require("packer").startup(function()
         end,
     }
 
+    -- See hex colors
+    use {
+        "norcalli/nvim-colorizer.lua",
+        config = function ()
+            require'colorizer'.setup()
+        end
+    }
 
     -- Markdown Stuff
     use({ 'jakewvincent/mkdnflow.nvim',