* feat: add NIP-65 utility functions for relay management
- Implemented fetchNip65Relays to retrieve relay permissions for a user.
- Added parseNip65Event to extract relay information from NIP-65 events.
- Created mergeAndStoreRelays to combine NIP-65 relays with existing custom relays and store them in localStorage.
* feat: enhance LoginForm with loading states and improved UI feedback for login actions
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Co-authored-by: highperfocused <highperfocused@pm.me>