Refactor member page (#3)

* refactor: member page

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lib/models/space/space.g.dart

@@ -0,0 +1,23 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'space.dart';
+
+// **************************************************************************
+// JsonSerializableGenerator
+// **************************************************************************
+
+Space _$SpaceFromJson(Map<String, dynamic> json) => Space(
+      code: (json['code'] as num?)?.toInt(),
+      message: json['message'] as String?,
+      ttl: (json['ttl'] as num?)?.toInt(),
+      data: json['data'] == null
+          ? null
+          : Data.fromJson(json['data'] as Map<String, dynamic>),
+    );
+
+Map<String, dynamic> _$SpaceToJson(Space instance) => <String, dynamic>{
+      'code': instance.code,
+      'message': instance.message,
+      'ttl': instance.ttl,
+      'data': instance.data,
+    };