nvim: Use more prominent white highlight for Comment

We seem to be making a lot of mistakes when it comes to handling
docs/comments in merge requests. Use a more prominent white colour
for the comment highlight group.

nvim/.config/nvim/colors/yolokai.vim

@@ -49,8 +49,8 @@ local highlight_groups = {
 	--[[ 4.1. Text Analysis ]]
 	EndOfBuffer = 'NonText'     ,
 	Whitespace  = 'NonText'     ,
-	Comment     = { fg=warmgrey  , style='italic' },
-	NonText     = { fg=lightgrey                  },
+	Comment     = { fg=white2   , style='italic' },
+	NonText     = { fg=lightgrey                 },
 
 	--[[ 4.1.1. Literals]]
 	Constant  = { fg=purple },