✨ (app) add update app version button in header!

src/components/QueueNotif.vue

@@ -1,5 +1,7 @@
 <template>
-  <span class="queue-notif"></span>
+  <a href="#" class="queue-notif" v-if="newVersion" @click.prevent="reloadApp">
+    nouvelle version dispoible
+  </a>
 </template>
 
 <script lang="ts">
@@ -9,7 +11,9 @@ import notif from '@/utils/notif'
 
 @Component
 export default class QueueNotif extends Vue {
-  public mounted() {
+  private newVersion = queueNotifService.getNewVersion
+
+  private mounted() {
     queueNotifService.subscribe((notification) => {
       switch (notification.type) {
         case 'success':
@@ -20,10 +24,17 @@ export default class QueueNotif extends Vue {
           break
       }
     })
+    queueNotifService.subscribeToNewVersion((newVersion: boolean) => {
+      this.newVersion = newVersion
+    })
   }
 
-  public beforeDestroy() {
+  private beforeDestroy() {
     queueNotifService.unsubscribe()
   }
+
+  private reloadApp() {
+    location.reload(true)
+  }
 }
 </script>