增加删除OSS接口

src/AliOssServiceInterface.php

@@ -41,4 +41,12 @@ interface AliOssServiceInterface
      */
     public function copyObject(string $object, string $new_object);
 
+    /**
+     * 删除OSS文件
+     *
+     * @param string|array $object
+     * @return mixed
+     */
+    public function deleteObject($object): bool;
+
 }