NOSTR Posting Skill Using nostr-sdk library Source: https://github.com/besoeasy/nostr-sdk Overview Post messages, send encrypted DMs, and interact with the Nostr decentralized social protocol using minimal direct exports from the module. Installation: Key Concepts: - nsec : Private key in bech32 format (starts with ) - npub : Public key in bech32 format (starts with ) - Relays : WebSocket servers that propagate Nostr events - Events : Signed JSON objects representing posts, DMs, etc. - POW : Proof of Work (mining) to reduce spam Default Relays: - wss://relay.damus.io - wss://nos.lol - wss://r…