* feat: add Alby JS SDK documentation and update package dependencies
* feat: add NostrWalletConnect component and ProfileSettingsNWCPage for wallet integration
* add NWC link to AvatarDropdown menu
* store and load nwc from localstorage
* feat: add NIP-47 documentation for Nostr Wallet Connect protocol
* feat: integrate Nostr Wallet Connect for zap payments and enhance UI feedback
* fix: update default custom amount to 21 and improve UI feedback for payment status on nwc
* fix: correct typo in QR code payment instruction text
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Co-authored-by: highperfocused <highperfocused@pm.me>