𝙻𝚎𝚟𝚒 𝙵𝚘𝚛 𝙻𝚒𝚋𝚎𝚛𝚝𝚢 on Nostr: Does it have "Invite to DMs or groups by sharing a link" yet? can I choose to accept ...

Does it have "Invite to DMs or groups by sharing a link" yet?

can I choose to accept or deny DM requests?

does it have sub groups like Matrix?

does it have proper moderation tools?