v1 Roadmap

[himself65]

1. Allow everyone to join the yDoc, and everyone can make modifications. (like y-websocket basic usage)
2. Support connects to persistence.
3. Allow everyone to join the yDoc, but the yDoc owner could switch whether others can modify it. (permission control) feat: basic permission control #13
4. Allow invited users to see the yDoc(Authentication)
5. Support Viewer, Editor, Member, Owner...