feat: Implement a client-side barcode generator tool and integrate IndexNow API for site URL submission.

src/lib/indexnow.ts

@@ -8,7 +8,7 @@ const INDEXNOW_ENDPOINT = 'https://api.indexnow.org/indexnow';
 const HOST = 'www.qrmaster.net';
 // You need to generate a key from https://www.bing.com/indexnow and place it in your public folder
 // For now, we'll assume a key exists or is provided via env
-const KEY = process.env.INDEXNOW_KEY || 'your-indexnow-key';
+const KEY = process.env.INDEXNOW_KEY || 'bb6dfaacf1ed41a880281c426c54ed7c';
 const KEY_LOCATION = `https://${HOST}/${KEY}.txt`;
 
 export async function submitToIndexNow(urls: string[]) {