Invite only registrations

Explanation why registrations are invite only

[Post copied from]

About our #server We are doing invite-only sign-ups for now for technical/budget reasons, and not because of elitism. And because a slow ramp-up is more healthy for the community, #moderation etc.

(I have run a massive online community for 20 years, 15k active users at peak, so I have some idea what I am doing. #mastoadmin #serverinfo 👍 )