I wish I had more time to contribute with some PRs, but sadly my full time fiat mine keeps my time scarce. I did however turn this into a GH Issue for you here:

GitHub

Improvements to the 'What is other stuff' guide. · Issue #3 · BitcoinQnA/Hello-Nostr

the guide is well-written! Just a few small tweaks could make it even more engaging and informative. Here are some ideas to potentially expand upon...

If I get more time in the future, I'd be happy collaborate more directly.