Add support for nostr

[gourcetools]

I wondering if support for nostr would be merged if commited? What you guys think?
I'd like to work on this.

https://nostr.com/

[Jxck-S]

Sure give it a shot!

[Jxck-S]

I integrated it I'll be sharing it soon.

[Jxck-S]

Recently switched to pynostr, from python-nostr. As python-nostr is poorly managed and pynostr seemed to work a bit better. Sorry for delay on new updates big changes coming.