pomegranate operator

- holds a FROST shard of your nostr secret key.
- signs events on request
- gives the shard back if you prove you are the registered user via google.

https://gitworkshop.dev/npub180cvv07tjdrrgpa0j7j7tmnyl2yr6yr7l8j4s3evf6u64th6gkwsyjh6w6/pomegranate