Changes

ADDED: Ability to send messages in thread
ADDED: Settings for sidebar which allow categories to be hidden
ADDED: Settings for messages including hiding embeds and compact mode
ADDED: Ability to edit messages
ADDED: non-functional notifications UI
ADDED: Rich text functionality to the prosemirror editor
UPDATED: Look of mentions
UPDATED: Some of the login UI
UPDATED: UI coloring
UPDATED: UI display in general
FIX: Channel settings only show for non-dm channels
FIX: Removed the scrollbar from some places
UI: Sidebar category open/close animation
PERF: Reduced amount of write-only locking on the state and decreased channel load time from ~8 seconds to <2 seconds.
INTERNAL: Reduced panics and errors
INTERNAL: Settings are stored as json now.

Known Issues

Editing messages with mentions adds <> around them. and uses the user id, this shouldn't be an issue when the message is sent.
Sentry is permanently enabled