Dark Mode support for emails

[jmduke]

Hi there

I use my website’s RSS feed as a base for each newsletter but have been finding the finishing process very frustrating.

1. I get a “We had some trouble parsing this document” message.
2. The Fancy mode doesn’t let me edit.
3. Markdown mode has some code completion stuff in there that gets added when I paste an image URL. I then have to manually remove it to ensure that images are 40% width.
4. Markdown mode also hijacks my CMD or ⌘ key for Buttondown keyboard shortcuts in...

[linear-code]

BUG-363