chore: 添加静态资源文件和版本配置文件

添加大量图片、字体、音频等静态资源文件，包括用户界面图片、模板文件和安装界面素材
添加系统版本配置文件(.version)和常量定义文件(.constant)
更新供应商依赖文件，包括Symfony VarDumper组件和相关许可证文件
添加验证码配置文件(captcha.php)和.gitignore规则

public/router.php

@@ -0,0 +1,17 @@
+<?php
+// +----------------------------------------------------------------------
+// | ThinkPHP [ WE CAN DO IT JUST THINK ]
+// +----------------------------------------------------------------------
+// | Copyright (c) 2006~2018 http://thinkphp.cn All rights reserved.
+// +----------------------------------------------------------------------
+// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
+// +----------------------------------------------------------------------
+// | Author: liu21st <liu21st@gmail.com>
+// +----------------------------------------------------------------------
+// $Id$
+
+if (is_file($_SERVER["DOCUMENT_ROOT"] . $_SERVER["SCRIPT_NAME"])) {
+    return false;
+} else {
+    require __DIR__ . "/index.php";
+}