nostr-nip05-kit

to implement Nostr NIP-05 | local for users.

• /.well-known/nostr.json?name=bob - fail
• /.well-known/nostr.json?name=nohea - ok
• /.well-known/nostr.json?name=rngoodness - ok
• /.well-known/nostr.json?name=raulg@nohea.com - ok
• /.well-known/nostr.json - fail
• /.well-known/nostr.json?name= - fail