Ace Diff,
cd <Version>/src-min-noconflict
wget https://unpkg.com/ace-diff@2.3.0/dist/ace-diff.min.js
mv ace-diff.min.js ace-diff.js

<link href="$Support.config('web').get('cdn_url')/ace-diff/unpkg.com/3.0.0/ace-diff.min.css" rel="stylesheet">