Add fcm push notifications

ios/App/App/AppDelegate.swift

@@ -46,4 +46,13 @@ class AppDelegate: UIResponder, UIApplicationDelegate {
         return ApplicationDelegateProxy.shared.application(application, continue: userActivity, restorationHandler: restorationHandler)
     }
 
+    func application(_ application: UIApplication, didRegisterForRemoteNotificationsWithDeviceToken deviceToken: Data) {
+      // Enable push notifications https://capacitorjs.com/docs/apis/push-notifications
+      NotificationCenter.default.post(name: .capacitorDidRegisterForRemoteNotifications, object: deviceToken)
+    }
+
+    func application(_ application: UIApplication, didFailToRegisterForRemoteNotificationsWithError error: Error) {
+      // Enable push notifications https://capacitorjs.com/docs/apis/push-notifications
+      NotificationCenter.default.post(name: .capacitorDidFailToRegisterForRemoteNotifications, object: error)
+    }
 }

ios/App/App/Info.plist

@@ -49,5 +49,9 @@
 	<true/>
 	<key>ITSAppUsesNonExemptEncryption</key>
 	<false/>
+	<key>UIBackgroundModes</key>
+	<array>
+		<string>remote-notification</string>
+	</array>
 </dict>
 </plist>