add ios notification example

example/ios/Notifications/NotificationService.swift

@@ -19,16 +19,14 @@ class NotificationService: UNNotificationServiceExtension {
         defer {
             contentHandler(bestAttemptContent ?? request.content)
         }
-        print("DID RECEIVE NOTIFICATION")
-            // Modify the notification content here...
-            bestAttemptContent?.title = "\(bestAttemptContent?.title ?? "<NoContent>") [modified]"
+        // Modify the notification content here...
+        bestAttemptContent?.title = "[modified] \(bestAttemptContent?.title ?? "<NoContent>")"
     }
     
     override func serviceExtensionTimeWillExpire() {
         // Called just before the extension will be terminated by the system.
         // Use this as an opportunity to deliver your "best attempt" at modified content, otherwise the original push payload will be used.
         if let contentHandler = contentHandler, let bestAttemptContent =  bestAttemptContent {
-            bestAttemptContent.title = "\(bestAttemptContent.title) [modified]"
             contentHandler(bestAttemptContent)
         }
     }

example/ios/Notifications/Notifications.entitlements

@@ -1,8 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
 <plist version="1.0">
-<dict>
-	<key>aps-environment</key>
-	<string>development</string>
-</dict>
+<dict/>
 </plist>