Added components to article

lib/feature/authentication/bloc/auth_bloc.dart

@@ -25,6 +25,7 @@ class AuthBloc extends Bloc<AuthEvent, AuthState> {
     try {
       debugPrint("Retrieve user information");
 
+      emit(Authenticating());
       var response = await service.getUserinfo(event.sessionId);
       var state = Authenticated(sessionId: event.sessionId, user: response);
       locator.registerSingleton<Authenticated>(state);
@@ -34,6 +35,7 @@ class AuthBloc extends Bloc<AuthEvent, AuthState> {
       debugPrint(err.toString());
       debugPrint(st.toString());
 
+      emit(Unauthenticated());
       operationBloc.add(
         FailOperation(
           message: "Login war nicht erfolgreich. Probieren Sie es erneut.",