add flarelytics

Author: samuelcolvin

Diff for: src/frontend/index.html

@@ -16,5 +16,6 @@
     <noscript>You need to enable JavaScript to run this app.</noscript>
     <div id="root"></div>
     <script type="module" src="/src/main.ts"></script>
+    <script src="/flarelytics/client.js"></script>
   </body>
 </html>