增加同步物流模块

修改现有架构，改为分模块( 简易版)

Store.Contracts/Order/Interfaces/IOrderPddBuyerService.cs

@@ -0,0 +1,20 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Store.Contracts.Order.Interfaces;
+
+/// <summary>
+/// 拼多多买手号订单服务
+/// </summary>
+public interface IOrderPddBuyerService
+{
+	/// <summary>
+	/// 获取微信订单号，从品多多订单号
+	/// </summary>
+	/// <param name="orderId"></param>
+	/// <returns></returns>
+	string GetWeChatOrderIdByPddOrderId(string orderId);
+}