PWA service workers (#1319)

* PWA services worker

- [x] Register service worker of PWA to install WorkAdventure application on desktop and mobile
- [x] Create webpage specifique for PWA
- [ ] Add register service to save and redirect on a card
- [ ] Add possibilities to install PWA for one World (with register token if existing)

* Finish PWA strategy to load last map visited

* Fix feedback @Kharhamel

* Fix feedback @Kharhamel

front/src/Network/ServiceWorker.ts

@@ -0,0 +1,20 @@
+export class _ServiceWorker {
+    constructor() {
+        if ("serviceWorker" in navigator) {
+            this.init();
+        }
+    }
+
+    init() {
+        window.addEventListener("load", () => {
+            navigator.serviceWorker
+                .register("/resources/service-worker.js")
+                .then((serviceWorker) => {
+                    console.info("Service Worker registered: ", serviceWorker);
+                })
+                .catch((error) => {
+                    console.error("Error registering the Service Worker: ", error);
+                });
+        });
+    }
+}