Update privacy.html

Author: riverfor

docs/privacy.html

@@ -64,6 +64,16 @@ <h2>Privacy Policy</h2> <p> QPython Team built the QPython/QPython3 apps and the
                   </p> <p><strong>Contact Us (support at qpython.org)</strong></p> <p>If you have any questions or suggestions about my Privacy Policy, do not hesitate to contact
                     me.
                   </p>
+
+  <!-- Google tag (gtag.js) -->
+<script async src="https://www.googletagmanager.com/gtag/js?id=G-3GZ8CTQYNC"></script>
+<script>
+  window.dataLayer = window.dataLayer || [];
+  function gtag(){dataLayer.push(arguments);}
+  gtag('js', new Date());
+
+  gtag('config', 'G-3GZ8CTQYNC');
+</script>
 </body>
 </html>