- ProfilePictures for users are now pulled from the backend
- added a component for chat settings (WIP)
- added a loading screen when the backend is not available
- reworked the "add chat" feature
- started to implement the general send-message functionality
- Chats with more than 2 users are now displayed correctly
- The user can now select chats as well
- Added header which displays the Name and ProfilePicture
of the selected user (and displayName and groupProfilePicture for group chats)