I added the version number I found in the manifest. Currently testing different text sizes and placements but I think this placement can work.
@@ -13,6 +13,7 @@
<svg width="48" viewBox="0 0 24 24"><path d="M14.9 3H6c-.9 0-1.6.5-1.9 1.2l-3 7c-.1.3-.1.5-.1.7v2c0 1.1.9 2 2 2h6.3l-.9 4.5c-.1.5 0 1 .4 1.4l1.1 1.1 6.5-6.6c.4-.4.6-.9.6-1.4V5c-.1-1.1-1-2-2.1-2zm7.4 12.8h-2.9c-.4 0-.7-.3-.7-.7V3.9c0-.4.3-.7.7-.7h2.9c.4 0 .7.3.7.7V15c0 .4-.3.8-.7.8z" fill="red"/><path d="m8 12.5 5.1-2.9L8 6.7v5.8z" fill="#fff"/></svg>
<h1>Return YouTube Dislike</h1>
<p>by Dmitrii Selivanov & Community</p>
+ <p>v2.0.0.3</p>
<button id="link_website">Website</button>
<button id="link_github">GitHub</button>
AndrewUnderscore