- The user can login to tequila through the main activity
- The server can ping tequila and check the validy of a Token
- The server can get the login infos from the client and check if the user already is in DB
- The user can login to the server and open their session
- The user can see their old chats and today's chat on a main activity and set if they're available or not
- The user can send and get messages from the server through a chat interface