added privacy component

flutter/digit-ui-components/digit_components/lib/models/privacy_notice/privacy_notice_model.dart

@@ -0,0 +1,51 @@
+
+import 'package:freezed_annotation/freezed_annotation.dart';
+
+part 'privacy_notice_model.freezed.dart';
+part 'privacy_notice_model.g.dart';
+
+@freezed
+class PrivacyNoticeModel with _$PrivacyNoticeModel {
+  const factory PrivacyNoticeModel({
+    required String header,
+    required String module,
+    bool? active,
+    List<ContentNoticeModel>? contents,
+  }) = _PrivacyNoticeModel;
+
+  factory PrivacyNoticeModel.fromJson(Map<String, dynamic> json) => _$PrivacyNoticeModelFromJson(json);
+}
+
+@freezed
+class ContentNoticeModel with _$ContentNoticeModel {
+  const factory ContentNoticeModel({
+    String? header,
+    List<DescriptionNoticeModel>? descriptions,
+  }) = _ContentNoticeModel;
+
+  factory ContentNoticeModel.fromJson(Map<String, dynamic> json) => _$ContentNoticeModelFromJson(json);
+}
+
+@freezed
+class DescriptionNoticeModel with _$DescriptionNoticeModel {
+  const factory DescriptionNoticeModel({
+    String? text,
+    String? type,
+    bool? isBold,
+    List<SubDescriptionNoticeModel>? subDescriptions,
+  }) = _DescriptionNoticeModel;
+
+  factory DescriptionNoticeModel.fromJson(Map<String, dynamic> json) => _$DescriptionNoticeModelFromJson(json);
+}
+
+@freezed
+class SubDescriptionNoticeModel with _$SubDescriptionNoticeModel {
+  const factory SubDescriptionNoticeModel({
+    String? text,
+    String? type,
+    bool? isBold,
+    bool? isSpaceRequired,
+  }) = _SubDescriptionNoticeModel;
+
+  factory SubDescriptionNoticeModel.fromJson(Map<String, dynamic> json) => _$SubDescriptionNoticeModelFromJson(json);
+}