Add AuthenticationService and RegistrationWizard. (#6056)

RiotSwiftUI/Modules/Authentication/Common/Service/MatrixSDK/LoginWizard.swift

@@ -0,0 +1,31 @@
+// 
+// Copyright 2022 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
+
+class LoginWizard {
+    struct State {
+        /// For SSO session recovery
+        var deviceId: String?
+        var resetPasswordEmail: String?
+        // var resetPasswordData: ResetPasswordData?
+        
+        var clientSecret = UUID().uuidString
+        var sendAttempt: UInt = 0
+    }
+    
+    // TODO
+}