修改商品controller层级

product/product-rest/src/main/java/cn/iocoder/mall/product/rest/controller/admins/AdminsProductAttrController.java → product/product-rest/src/main/java/cn/iocoder/mall/product/rest/controller/attr/AdminsProductAttrController.java

-package cn.iocoder.mall.product.rest.controller.admins;
+package cn.iocoder.mall.product.rest.controller.attr;
 
 import cn.iocoder.common.framework.vo.CommonResult;
 import cn.iocoder.common.framework.vo.PageResult;

product/product-rest/src/main/java/cn/iocoder/mall/product/rest/controller/admins/AdminsProductBrandController.java → product/product-rest/src/main/java/cn/iocoder/mall/product/rest/controller/brand/AdminsProductBrandController.java

-package cn.iocoder.mall.product.rest.controller.admins;
+package cn.iocoder.mall.product.rest.controller.brand;
 
 import cn.iocoder.common.framework.vo.CommonResult;
 import cn.iocoder.common.framework.vo.PageResult;

product/product-rest/src/main/java/cn/iocoder/mall/product/rest/controller/admins/AdminsProductCategoryController.java → product/product-rest/src/main/java/cn/iocoder/mall/product/rest/controller/category/AdminsProductCategoryController.java

-package cn.iocoder.mall.product.rest.controller.admins;
+package cn.iocoder.mall.product.rest.controller.category;
 
 import cn.iocoder.common.framework.constant.MallConstants;
 import cn.iocoder.common.framework.vo.CommonResult;

product/product-rest/src/main/java/cn/iocoder/mall/product/rest/controller/users/UserFavoriteController.java → product/product-rest/src/main/java/cn/iocoder/mall/product/rest/controller/favorite/UserFavoriteController.java

-package cn.iocoder.mall.product.rest.controller.users;
+package cn.iocoder.mall.product.rest.controller.favorite;
 
 import io.swagger.annotations.Api;
 import org.springframework.web.bind.annotation.RequestMapping;