Adding a copy code button

It took me a little over a month but I finally continued the chain of adding copy code buttons to your code blocks. It started with Salma Alam-Naylor’s post which I saw on Hacker News but then David Bushell also posted on it and Ragman made a bluesky post (sky? bloop? atproto bloop? honestly not sure what a more interesting name would be) and it’s been saved in my mind since then that I should add…