• Create event type

Fix Unimplemented error caused by function called GetAllChats instead of GetChatsList.

• --project-name moved to --project-id as it better reflects the name in firebase

• Add Dockerfile
• Ability to listen for chat updates
• Include listen in firestore command
• --listen flag to enable/disable listening for chat updates

• Create the commands

• backendServer struct, implementing BackendServer

• grpc code
• backend code
• firestore implementation of backend