feat(warehouse-receipt): 添加库存预警功能

- 在仓库收货单服务中增加了低库存预警相关的字段
- 添加了 enable_low_stock_warning 和 low_stock_warning_number 字段，用于配置低库存预警

src/main/java/cn/lihongjie/coal/warehouseReceipt/service/WarehouseReceiptService.java

@@ -580,6 +580,8 @@ public class WarehouseReceiptService
                                                                                                               w.code   as warehouse_code,
                                                                                                               gc.code  as category_code,
                                                                                                               gc.name  as category_name,
+                                                                                                              gs.enable_low_stock_warning as enable_low_stock_warning,
+                                                                                                              gs.low_stock_warning_number as low_stock_warning_number, 
 
                                                                                                               <#if shelveSummary>
                                                                                                                 ws.id as shelve_id,