TF-239 Delete single email permanently

lib/features/email/domain/state/delete_email_permanently_state.dart

@@ -0,0 +1,19 @@
+import 'package:core/core.dart';
+
+class DeleteEmailPermanentlySuccess extends UIState {
+
+  DeleteEmailPermanentlySuccess();
+
+  @override
+  List<Object?> get props => [];
+}
+
+class DeleteEmailPermanentlyFailure extends FeatureFailure {
+
+  final exception;
+
+  DeleteEmailPermanentlyFailure(this.exception);
+
+  @override
+  List<Object?> get props => [exception];
+}