更新采购退料相关服务：添加IPurchaseReturnService接口和PurchaseReturnService实现类

Reportapi/MyCode.Project.Services/IServices/IPurchaseReturnService.cs

@@ -1,19 +1,19 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-
-namespace MyCode.Project.Services.IServices
-{
-    public interface IPurchaseReturnService
-    {
-        /// <summary>
-        /// 推送采购退料单到金蝶云星空
-        /// </summary>
-        /// <param name="id">StorageGoodsDocOutHead表的主键ID（Guid格式的字符串）</param>
-        /// <returns>返回金蝶API的响应结果（JSON格式）</returns>
-        string PushPurchaseReturnToKingDee(string id);
-    }
-}
-
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace MyCode.Project.Services.IServices
+{
+    public interface IPurchaseReturnService
+    {
+        /// <summary>
+        /// 推送采购退料单到金蝶云星空
+        /// </summary>
+        /// <param name="id">StorageGoodsDocOutHead表的主键ID（Guid格式的字符串）</param>
+        /// <returns>返回金蝶API的响应结果（JSON格式）</returns>
+        string PushPurchaseReturnToKingDee(string id);
+    }
+}
+