Add pre-fetch data handling for resources, users, and comments

frontend/index.html

@@ -39,6 +39,7 @@
       window.uploadPrompt = `{{UploadPrompt}}`;
       window.allowNormalUserUpload = `{{AllowNormalUserUpload}}`;
     </script>
+    <script id="pre_fetch_data"></script>
     <div id="root"></div>
     <script type="module" src="/src/main.tsx"></script>
   </body>