🐛 (notification) try catch notification

src/registerServiceWorker.ts

@@ -4,11 +4,12 @@ import { register } from 'register-service-worker'
 
 if (process.env.NODE_ENV === 'production') {
   register(`${process.env.BASE_URL}service-worker.js`, {
-    ready() {
+    ready(sw) {
       console.log(
         'App is being served from cache by a service worker.\n' +
           'For more details, visit https://goo.gl/AFskqB'
       )
+      sw.showNotification('Coucou')
     },
     registered() {
       console.log('Service worker has been registered.')