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/dist/static/images/favicons/manifest.json

@@ -128,11 +128,12 @@
             "type": "image\/png"
         }
     ],
-    "start_url": "/",
+    "start_url": "/resources/service-worker.html",
     "background_color": "#000000",
     "display_override": ["window-control-overlay", "minimal-ui"],
     "display": "standalone",
-    "scope": "/",
+    "orientation": "portrait-primary",
+    "scope": "/resources/",
     "lang": "en",
     "theme_color": "#000000",
     "shortcuts": [