Long overdue updates to activitypub.rocks

[Sebastian]

See also the changes we talked about which
would look like this

from

Discussing the evolution of the activitypub.rocks site

Following the recent APConf in Prague, I tried going through the resources at hand for new ActivityPub implementers, reviewing what we could improve to ease the onboarding. activitypub.rocks plays a major role in this, being the main landing page for the protocol. In the meantime, this forum has been created and made public. It could play a major role at organizing the information long-term for varied audiences, but would not replace ap.rocks as a landing page, which means we have to properly l…