- you can edit raw Markdown, by :
- On the riht bottom corner you can see a question mark inside there is a menu. click the "edit markdows" entry.
It seems that plugins only work locally... that would explain the trouble.
- can you embed a gist or a File from repository - possible, but Rob hasn't got it working yet
- Don't use Plugins, could not get the embed code (use just a link to updated version) and Dark Theme didn't work either.
- not sure of this one, you can include cover.jpg
- Ref: