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/translation/Provider/TranslationProviderCollection.php

@@ -0,0 +1,57 @@
+<?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\Translation\Provider;
+
+use Symfony\Component\Translation\Exception\InvalidArgumentException;
+
+/**
+ * @author Mathieu Santostefano <msantostefano@protonmail.com>
+ */
+final class TranslationProviderCollection
+{
+    /**
+     * @var array<string, ProviderInterface>
+     */
+    private $providers;
+
+    /**
+     * @param array<string, ProviderInterface> $providers
+     */
+    public function __construct(iterable $providers)
+    {
+        $this->providers = \is_array($providers) ? $providers : iterator_to_array($providers);
+    }
+
+    public function __toString(): string
+    {
+        return '['.implode(',', array_keys($this->providers)).']';
+    }
+
+    public function has(string $name): bool
+    {
+        return isset($this->providers[$name]);
+    }
+
+    public function get(string $name): ProviderInterface
+    {
+        if (!$this->has($name)) {
+            throw new InvalidArgumentException(sprintf('Provider "%s" not found. Available: "%s".', $name, (string) $this));
+        }
+
+        return $this->providers[$name];
+    }
+
+    public function keys(): array
+    {
+        return array_keys($this->providers);
+    }
+}