ZULIP interop

I've found zulip, which is a chat server that's apache licensed.

Interested in a cost to build a solid extension.  Both for interoperability
with solid users and the auth method used by solid users (probably
Webid-oidc)

Note:
https://zulipchat.com/api/rest

Note also,

The chat environment supports topic based semantics. Objectively the hope
would be to form interoperability between this useful group tool, and the
means to federated contributions towards solving various topics, by people
who are different, and permitted to (safely) participate in different
groups.

Let me know if interested.

I have an.install, but am being selective at this stage about who gets
involved.

POC work, essentially.

Timo.