Refactor member page (#3)

* refactor: member page

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lib/models/space_archive/data.dart

@@ -0,0 +1,39 @@
+import 'package:json_annotation/json_annotation.dart';
+
+import 'episodic_button.dart';
+import 'item.dart';
+import 'last_watched_locator.dart';
+import 'order.dart';
+
+part 'data.g.dart';
+
+@JsonSerializable()
+class Data {
+  @JsonKey(name: 'episodic_button')
+  EpisodicButton? episodicButton;
+  List<Order>? order;
+  int? count;
+  List<Item>? item;
+  @JsonKey(name: 'last_watched_locator')
+  LastWatchedLocator? lastWatchedLocator;
+  @JsonKey(name: 'has_next')
+  bool? hasNext;
+  @JsonKey(name: 'has_prev')
+  bool? hasPrev;
+  int? next;
+
+  Data({
+    this.episodicButton,
+    this.order,
+    this.count,
+    this.item,
+    this.lastWatchedLocator,
+    this.hasNext,
+    this.hasPrev,
+    this.next,
+  });
+
+  factory Data.fromJson(Map<String, dynamic> json) => _$DataFromJson(json);
+
+  Map<String, dynamic> toJson() => _$DataToJson(this);
+}