chore: 添加缺失的静态资源文件

添加多个前端界面所需的图片、字体、音频等静态资源文件，包括：
- 管理员后台的图标、背景图、组件图片
- 移动端页面的商品图片、用户中心图片、活动图标
- 第三方库的示例图片和字体文件
- 浏览器兼容性配置文件
- 图标字体文件（eot、ttf、woff、woff2格式）

这些资源是前端界面正常显示所必需的，之前可能因版本控制忽略或遗漏而缺失。

vendor/symfony/process/PhpExecutableFinder.php

@@ -0,0 +1,99 @@
+<?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\Process;
+
+/**
+ * An executable finder specifically designed for the PHP executable.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ * @author Johannes M. Schmitt <schmittjoh@gmail.com>
+ */
+class PhpExecutableFinder
+{
+    private $executableFinder;
+
+    public function __construct()
+    {
+        $this->executableFinder = new ExecutableFinder();
+    }
+
+    /**
+     * Finds The PHP executable.
+     */
+    public function find(bool $includeArgs = true): string|false
+    {
+        if ($php = getenv('PHP_BINARY')) {
+            if (!is_executable($php)) {
+                $command = '\\' === \DIRECTORY_SEPARATOR ? 'where' : 'command -v';
+                if ($php = strtok(exec($command.' '.escapeshellarg($php)), \PHP_EOL)) {
+                    if (!is_executable($php)) {
+                        return false;
+                    }
+                } else {
+                    return false;
+                }
+            }
+
+            if (@is_dir($php)) {
+                return false;
+            }
+
+            return $php;
+        }
+
+        $args = $this->findArguments();
+        $args = $includeArgs && $args ? ' '.implode(' ', $args) : '';
+
+        // PHP_BINARY return the current sapi executable
+        if (\PHP_BINARY && \in_array(\PHP_SAPI, ['cgi-fcgi', 'cli', 'cli-server', 'phpdbg'], true)) {
+            return \PHP_BINARY.$args;
+        }
+
+        if ($php = getenv('PHP_PATH')) {
+            if (!@is_executable($php) || @is_dir($php)) {
+                return false;
+            }
+
+            return $php;
+        }
+
+        if ($php = getenv('PHP_PEAR_PHP_BIN')) {
+            if (@is_executable($php) && !@is_dir($php)) {
+                return $php;
+            }
+        }
+
+        if (@is_executable($php = \PHP_BINDIR.('\\' === \DIRECTORY_SEPARATOR ? '\\php.exe' : '/php')) && !@is_dir($php)) {
+            return $php;
+        }
+
+        $dirs = [\PHP_BINDIR];
+        if ('\\' === \DIRECTORY_SEPARATOR) {
+            $dirs[] = 'C:\xampp\php\\';
+        }
+
+        return $this->executableFinder->find('php', false, $dirs);
+    }
+
+    /**
+     * Finds the PHP executable arguments.
+     */
+    public function findArguments(): array
+    {
+        $arguments = [];
+        if ('phpdbg' === \PHP_SAPI) {
+            $arguments[] = '-qrr';
+        }
+
+        return $arguments;
+    }
+}