init

- 框架初始化
 - 安装插件
 - 修复PHP8.4报错

vendor/symfony/http-foundation/Exception/BadRequestException.php

@@ -0,0 +1,19 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\HttpFoundation\Exception;
+
+/**
+ * Raised when a user sends a malformed request.
+ */
+class BadRequestException extends \UnexpectedValueException implements RequestExceptionInterface
+{
+}