The protocol between the server and backends.
Example Session
P: {"backend_name": "Example", "backend_version": [0, 0, 1], "protocol_version": [0, 1, 0]}
S: {"sequence_number": 0, "body": {"type": "RoomLookup", "value": "#general"}}
P: {"sequence_number": 0, "body": {"type": "RoomID", "value": "#general"}}
S: {"sequence_number": 1, "body": {"type": "RoomJoin", "value": "#general"}}
P: {"sequence_number": 1, "body": {"type": "Success", "value": null}}
S: {"sequence_number": 2, "body": {"type": "MessageSend", "value": {"recipient": "#general", "attachments": [], "content": {"type": "Text", "value: "Hello, world!"}, "extra": null}}}
P: {"sequence_number": 2, "body": {"type": "MessageID", "value": "test"}}
TODO:
- Work out how emotes should work
- EmoteID? Store emotes by hash?
- Users
