Clean up!

• Cleaned up schema editing in Firefox
• Cleaned up textarea and markdown field height behaviors
• Fixed a few other small bugs

👌

Markdown support!

Markdown support is in, thanks to the great work of @Ryan-McMillan!

Also cleaned up some stragglers left behind after our dalliance w/ responsiveness and fixed up behaviors around JWT logins.

Page titles should also be much more sensible now!