Lägger till iconer samt flyttar runt filer för att få till PWA. Still not working

public/service-worker.js

@@ -0,0 +1,23 @@
+self.addEventListener('install', (event) => {
+    event.waitUntil(
+        caches.open('task-manager-cache').then((cache) => {
+            return cache.addAll([
+                '/',
+                '/index.html',
+                '/style.css',
+                '/app.js',
+                '/manifest.json',
+                '/icons/icon-192x192.png',
+                '/icons/icon-512x512.png'
+            ]);
+        })
+    );
+});
+
+self.addEventListener('fetch', (event) => {
+    event.respondWith(
+        caches.match(event.request).then((cachedResponse) => {
+            return cachedResponse || fetch(event.request);
+        })
+    );
+});