feat(merchant): 添加商品仓库依赖

- 引入 ProductRepository 以支持商品相关操作

app/controller/api/store/merchant/Merchant.php

@@ -9,6 +9,7 @@ namespace app\controller\api\store\merchant;
 use think\App;
 use crmeb\basic\BaseController;
 use app\common\repositories\system\merchant\MerchantRepository as repository;
+use app\common\repositories\store\product\ProductRepository;
 use think\facade\Db;
 use think\facade\Log;
 use function Symfony\Component\VarDumper\Dumper\esc;