add meta tag

Author: darshan-cpp

templates/index.html

@@ -9,6 +9,7 @@
     <meta name="description" content="Free online tool to convert Jupyter Notebook (.ipynb) files to PDF instantly. No signup required. Simple, fast, and secure conversion.">
     <meta name="keywords" content="jupyter notebook to pdf, ipynb to pdf, notebook converter, jupyter pdf converter, convert notebook online">
     <meta name="author" content="Darshan Parmar">
+    <meta name="google-site-verification" content="D4zls7pXH9X5IMf5MZbtSCCZhJysZaYkKqEeEKtXQSo" />
     <link rel="canonical" href="https://notebook-to-pdf-converter.onrender.com/">
 
     <!-- Open Graph Tags for Social Media -->