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/UserSession/RestorationToken.swift

@@ -14,11 +14,24 @@
 // limitations under the License.
 //
 
+import CryptoKit
 import Foundation
+
 import MatrixRustSDK
 
 struct RestorationToken: Codable, Equatable {
     let session: MatrixRustSDK.Session
+    let pusherNotificationClientIdentifier: String?
+
+    init(session: MatrixRustSDK.Session) {
+        self.session = session
+        if let data = session.userId.data(using: .utf8) {
+            let digest = SHA256.hash(data: data)
+            pusherNotificationClientIdentifier = digest.compactMap { String(format: "%02x", $0) }.joined()
+        } else {
+            pusherNotificationClientIdentifier = nil
+        }
+    }
 }
 
 extension MatrixRustSDK.Session: Codable {