functional
Lobby:
Chat:
As a user I want to enter my nick name.
As a user I want to see the list of chat rooms available.
As a user I want to enroll on a given room with a given nickname.
As a user I want to get notified when trying to enroll a the chosen nickname is already in use.
As a user I want to receive the messages in the chat list
As a user I want to receive updates in real time whenever anybody enters a message in the chat
As a user I want to type messages
As a user I want to send messages