clean up

lib/data/services/auth_service.dart

@@ -0,0 +1,16 @@
+import 'package:fcs/domain/entities/auth_result.dart';
+import 'package:fcs/domain/entities/setting.dart';
+import 'package:fcs/domain/entities/user.dart';
+
+abstract class AuthService {
+  Future<AuthResult> sendSmsCodeToPhoneNumber(String phoneNumber);
+  Future<AuthResult> signInWithSmsCode(String smsCode);
+  Future<void> signout();
+  Future<void> signup(String userName);
+  Future<User> joinInvite(String userName);
+  Future<void> updateProfile(String newUserName);
+  Future<bool> hasInvite();
+  Stream<User> getUserStream();
+  Stream<Setting> getSetting();
+  Future<String> getToken();
+}