add bootstrap relays if ext dose not provide any

src/views/login/npub.tsx

@@ -10,7 +10,7 @@ export default function LoginNpubView() {
   const navigate = useNavigate();
   const toast = useToast();
   const [npub, setNpub] = useState("");
-  const [relayUrl, setRelayUrl] = useState("");
+  const [relayUrl, setRelayUrl] = useState("wss://relay.damus.io");
 
   const handleSubmit: React.FormEventHandler<HTMLDivElement> = (e) => {
     e.preventDefault();

src/views/login/start.tsx

@@ -26,6 +26,10 @@ export default function LoginStartView() {
             relays = Object.keys(extRelays).filter((url) => extRelays[url].read);
           }
 
+          if (relays.length === 0) {
+            relays = ["wss://relay.damus.io", "wss://relay.snort.social", "wss://nostr.wine"];
+          }
+
           accountService.addAccount({ pubkey, relays, useExtension: true });
         }