In the next update of the NostrNet Notes extension, I'm adding  advanced text editor for writing notes and articles. 

You can draft that offline or publish it on Nostr.

Standalone link: https://notes.nostrnet.work/
https://image.nostr.build/a549265df09d7f32974e570630494452f7675aef64dc3a91d79fdf42761011bd.jpg