Initial setup ready for PIN/Biometric app lock. (#1876)

* Add AppLockCoordinator and WindowManager.

ElementX/Sources/Services/Keychain/KeychainControllerMock.swift

@@ -0,0 +1,23 @@
+//
+// 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 MatrixRustSDK
+
+/// Adds the missing methods for conformance to the protocol.
+extension KeychainControllerMock {
+    func retrieveSessionFromKeychain(userId: String) throws -> Session { fatalError("Not implemented") }
+    func saveSessionInKeychain(session: Session) { fatalError("Not implemented") }
+}

ElementX/Sources/Services/Keychain/KeychainControllerProtocol.swift

@@ -22,6 +22,7 @@ struct KeychainCredentials {
     let restorationToken: RestorationToken
 }
 
+// sourcery: AutoMockable
 protocol KeychainControllerProtocol: ClientSessionDelegate {
     func setRestorationToken(_ restorationToken: RestorationToken, forUsername: String)
     func restorationTokenForUsername(_ username: String) -> RestorationToken?