add NIP-46 support (#61)

Co-authored-by: highperfocused <highperfocused@pm.me>

utils/utils.ts

@@ -1,5 +1,6 @@
 import { Event as NostrEvent, finalizeEvent} from "nostr-tools";
 import { hexToBytes } from "@noble/hashes/utils"
+import { signEventWithBunker } from "./bunkerUtils";
 
 export function getImageUrl(tags: string[][]): string {
   const imetaTag = tags.find(tag => tag[0] === 'imeta');
@@ -33,6 +34,15 @@ export async function signEvent(loginType: string | null, event: NostrEvent): Pr
     // TODO: Sign event with amber
     alert('Signing with Amber is not implemented yet, sorry!');
     return null;
+  } else if (loginType === 'bunker') {
+    // Sign with bunker (NIP-46)
+    const signedWithBunker = await signEventWithBunker(event);
+    if (signedWithBunker) {
+      return signedWithBunker;
+    } else {
+      alert('Failed to sign with bunker. Please check your connection and try again.');
+      return null;
+    }
   } else if (loginType === 'raw_nsec') {
     if (typeof window !== 'undefined') {
       let nsecStr = null;