- Included relay identity public key in `relayinfo` response.
- Added `UpdateRelayProfile` function to dynamically create/update relay's subscription profile.
- Incremented version from v0.8.3 to v0.8.4.
- Introduced configuration option `RelayURL` for relay dashboard base URL.
- Added dynamic dashboard URL functionality in `PaymentProcessor`.
- Updated payment notifications to include dashboard access link.
- Incremented version to v0.8.2.
- Introduced relay identity management for subscriptions and follow-list sync.
- Added `IdentityRequested` function to handle the `identity` subcommand.
- Implemented periodic follow-list synchronization for active subscribers.
- Enhanced payment handling to include payer pubkey and subscription updates.
- Added trial expiry and subscription expiry notifications.
- Implemented `PaymentProcessor` to handle NWC payments and extend user subscriptions.
- Added configuration options for NWC URI, subscription pricing, and enablement.
- Updated server to initialize and manage the payment processor.
