Add NIP-65 relay list display and improve identity UI

- Add NIP-65 relay list service to fetch kind 10002 events from relays
- Replace configurable relay page with read-only NIP-65 relay display
- Update identity page to show display name and username in same badge
- Use reglisse heading font for titles throughout the UI
- Navigate to You page after vault unlock instead of identities list
- Add autofocus to vault password input field
- Add profile metadata service for fetching kind 0 events
- Add readonly mode to relay-rw component

Files modified:
- package.json (version bump to 0.0.6)
- projects/common/src/lib/services/relay-list/relay-list.service.ts (new)
- projects/common/src/lib/services/profile-metadata/profile-metadata.service.ts (new)
- projects/common/src/lib/constants/fallback-relays.ts (new)
- projects/*/src/app/components/home/identity/* (UI improvements)
- projects/*/src/app/components/edit-identity/relays/* (NIP-65 display)
- projects/*/src/app/components/vault-login/* (autofocus, navigation)
- projects/common/src/lib/styles/* (heading fonts)

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

projects/firefox/public/manifest.json

@@ -2,7 +2,7 @@
   "manifest_version": 3,
   "name": "Plebeian Signer",
   "description": "Nostr Identity Manager & Signer",
-  "version": "0.0.5",
+  "version": "0.0.6",
   "homepage_url": "https://git.mleku.dev/mleku/plebeian-signer",
   "options_page": "options.html",
   "permissions": [