feat:增加博客统计模块

lib/models/common.dart

@@ -35,3 +35,19 @@ class PageResult<T> {
   Map<String, dynamic> toJson(Object? Function(T value) toJsonT) =>
       _$PageResultToJson(this, toJsonT);
 }
+
+@JsonSerializable(genericArgumentFactories: true)
+class ChartData {
+  @JsonKey(name: 'name')
+  final String name;
+
+  @JsonKey(name: 'value')
+  final double value;
+
+  const ChartData({required this.name, required this.value});
+
+  factory ChartData.fromJson(Map<String, dynamic> json) =>
+      _$ChartDataFromJson(json);
+
+  Map<String, dynamic> toJson() => _$ChartDataToJson(this);
+}