Yeah Obsidian uses markdown, so the plugin would connect to relays and publish the file you have or also a short note. I saw that there's a video demonstration. Wish there was an emacs version 😅
> It is a story as old as time. A stubborn, shell-dwelling, and melodramatic vimmer—envious of the features of modern text editors—spirals into despair before he succumbs to the dark side. This is his config
Doom emacs' tagline 😆