add synchro callbacks

src/app/home/home.page.ts

@@ -162,6 +162,17 @@ export class HomePage implements OnInit {
       }
     )
 
+    synchro.registerCallback('Online',()=>{
+
+    })
+
+
+    synchro.registerCallback('Offline',()=>{
+
+    })
+
+
+
 
     synchro.registerCallback('Notification', (DataArray)=> {