Handle messages directed to a specific actor (or list of actors) instead
of being public. Those private messages are translated to XMPP messages
instead of Pubsub.
Milestone(s)
- XMPP messages received by the component are sent as ActivityPub
private messages
- ActivityPub private messages received by the component are
translated to XMPP messages
- the behaviour of private messages must be specified in the
documentation
- tests (either unit test or e2e)