feat: add HydratedAuthCubitBase abstract class

- this will alow creating AuthCubit based on different backends or repositories.

packages/djangoflow_auth/djangoflow_auth/lib/src/blocs/auth_cubit/auth_cubit_base.dart

@@ -0,0 +1,45 @@
+import 'package:djangoflow_auth/djangoflow_auth.dart';
+import 'package:djangoflow_openapi/djangoflow_openapi.dart';
+import 'package:hydrated_bloc/hydrated_bloc.dart';
+
+/// This is the base class for AuthCubit.
+/// It allows to create AuthCubit based on any kind of backends.
+abstract class HydratedAuthCubitBase extends HydratedCubit<AuthState> {
+  HydratedAuthCubitBase(AuthState initialState) : super(initialState);
+
+  List<SocialLogin> socialLogins = [];
+
+  /// Authenticate and request token for user from the Social Auth Provider
+  /// eg, facebook, google etc.
+  Future<R?> requestTokenFromSocialProvider<R>(SocialLoginType type);
+
+  Future<void> logoutFromSocialProvider(SocialLoginType type);
+
+  Future<void> logout();
+
+  Future<UserIdentity?> registerOrInviteUser({
+    required UserIdentityRequest userIdentityRequest,
+  });
+
+  Future<void> requestOTP({required OTPObtainRequest otpObtainRequest});
+
+  /// Authenticates the user based on provided credentials (e.g., username+password or email+OTP etc)
+  /// and logs them in by obtaining and processing a JWT token.
+  Future<void> obtainTokenAndLogin({
+    required TokenObtainRequest tokenObtainRequest,
+  });
+
+  /// Login user with magic link. magiclink should not be empty
+  /// It supports only email at the moment.
+  Future<void> loginWithMagicLink({required String magiclink});
+
+  /// Login user with social provider token data that was retrieved via [requestTokenFromSocialProvider]
+  /// This will retrieve token from backend and login user
+  Future<void> loginWithSocialProviderToken(
+      {required SocialTokenObtainRequest socialTokenObtainRequest});
+
+  Future<void> changePassword({
+    required String id,
+    required ChangePasswordRequest changePasswordRequest,
+  });
+}