MFE-6 Use Redis to cache SAP responses

https://jira.usit.uio.no/browse/MFE-6

frontend/public/index.js

@@ -2,7 +2,7 @@ import { Elm } from "../src/Main.elm";
 
 const API_PATH = "/api";
 
-(async function init() {
+document.addEventListener("DOMContentLoaded", function () {
   const app = Elm.Main.init({
     flags: {
       basePath: "/home/",
@@ -11,4 +11,4 @@ const API_PATH = "/api";
       logoutPath: "/auth/dataporten/logout",
     },
   });
-})();
+});