chore: Update Nostr relay list with verified working relays

- Add wss://relay.primal.net (verified working)
- Add wss://nostr.oxtr.dev (verified working)
- Keep wss://relay.damus.io (verified working)
- Remove wss://relay.nostr.band
- Remove wss://nostr.wine

All 5 relays verified working as of 2025-11-13.
Provides good geographic and organizational diversity.

Author: cbrunnkvist

src/app/services/nostr-notification.service.ts

@@ -25,12 +25,13 @@ export interface RelayStatus {
 })
 export class NostrNotificationService {
   // Default relay list - can be configured by user later
+  // All relays verified working as of 2025-11-13
   private defaultRelays = [
+    "wss://relay.primal.net",
+    "wss://nostr.oxtr.dev",
     "wss://relay.damus.io",
     "wss://nos.lol",
     "wss://relay.snort.social",
-    "wss://relay.nostr.band",
-    "wss://nostr.wine",
   ];
 
   // SimplePool for managing multiple relay connections