init

- 框架初始化
 - 安装插件
 - 修复PHP8.4报错

addons/epay/library/v3/Yansongda/Pay/Contract/DirectionInterface.php

@@ -0,0 +1,15 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Yansongda\Pay\Contract;
+
+use Psr\Http\Message\ResponseInterface;
+
+interface DirectionInterface
+{
+    /**
+     * @return mixed
+     */
+    public function parse(PackerInterface $packer, ?ResponseInterface $response);
+}