add delete_email_rule feature

lib/features/manage_account/domain/model/delete_email_rule_request.dart

@@ -0,0 +1,15 @@
+import 'package:equatable/equatable.dart';
+import 'package:rule_filter/rule_filter/tmail_rule.dart';
+
+class DeleteEmailRuleRequest with EquatableMixin {
+  final TMailRule emailRuleDelete;
+  final List<TMailRule> currentEmailRules;
+
+  DeleteEmailRuleRequest({
+    required this.emailRuleDelete,
+    required this.currentEmailRules,
+  });
+
+  @override
+  List<Object?> get props => [emailRuleDelete, currentEmailRules];
+}