Notifications Enabled (#760)

* Notifications Enabled with default static text

notifications enabled with default static text

code improvement

added the share key

* added the changelog

* notification ID is added to the json only if it exists

* renamed Bundle.mainApp to app and updated the strings from localazy

* made a struct for the APNSPayload

* APNS Payload fix

ElementX/Sources/Services/Notification/Manager/APNSPayload.swift

@@ -0,0 +1,47 @@
+//
+// Copyright 2023 New Vector Ltd
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+import Foundation
+
+struct APSAlert: Encodable {
+    let locKey: String
+    let locArgs: [String]
+
+    enum CodingKeys: String, CodingKey {
+        case locKey = "loc-key"
+        case locArgs = "loc-args"
+    }
+}
+
+struct APSInfo: Encodable {
+    let mutableContent: Int
+    let alert: APSAlert
+
+    enum CodingKeys: String, CodingKey {
+        case mutableContent = "mutable-content"
+        case alert
+    }
+}
+
+struct APNSPayload: Encodable {
+    let aps: APSInfo
+    let pusherNotificationClientIdentifier: String?
+
+    enum CodingKeys: String, CodingKey {
+        case aps
+        case pusherNotificationClientIdentifier = "pusher_notification_client_identifier"
+    }
+}