第二次提交

lib/core/data/base_model.dart

@@ -0,0 +1,8 @@
+import '../../features/devices/domain/entities/device_entity.dart';
+
+abstract class BaseModel {
+  BaseModel.fromJson(Map<String, dynamic> json);
+  Map<String, dynamic> toJson();
+  toEntity();
+  BaseModel.fromEntity(DeviceEntity entity);
+}