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/http-client/Response/ResponseStream.php

@@ -0,0 +1,54 @@
+<?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\HttpClient\Response;
+
+use Symfony\Contracts\HttpClient\ChunkInterface;
+use Symfony\Contracts\HttpClient\ResponseInterface;
+use Symfony\Contracts\HttpClient\ResponseStreamInterface;
+
+/**
+ * @author Nicolas Grekas <p@tchwork.com>
+ */
+final class ResponseStream implements ResponseStreamInterface
+{
+    private \Generator $generator;
+
+    public function __construct(\Generator $generator)
+    {
+        $this->generator = $generator;
+    }
+
+    public function key(): ResponseInterface
+    {
+        return $this->generator->key();
+    }
+
+    public function current(): ChunkInterface
+    {
+        return $this->generator->current();
+    }
+
+    public function next(): void
+    {
+        $this->generator->next();
+    }
+
+    public function rewind(): void
+    {
+        $this->generator->rewind();
+    }
+
+    public function valid(): bool
+    {
+        return $this->generator->valid();
+    }
+}