* Add support for JWT tokens to authenticate users from your external app.
* JWT backed users can have profile pictures, profile URLs, and operator
status (admin). Note that no operator features exist yet.
* Add WelcomeMessages to settings.toml for default ChatServer messages to
write to each public channel directed at a new user logging in.
* Markdown support for chat messages!
* Add configuration system and default public channels support
* Add support for multiple channels and DM threads with users,
with unread badge indicators. DMs rearrange themselves by
most recently updated on top.
* Responsive CSS to work well on mobile devices.
