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/mime/Crypto/DkimOptions.php

@@ -0,0 +1,97 @@
+<?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\Mime\Crypto;
+
+/**
+ * A helper providing autocompletion for available DkimSigner options.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+final class DkimOptions
+{
+    private array $options = [];
+
+    public function toArray(): array
+    {
+        return $this->options;
+    }
+
+    /**
+     * @return $this
+     */
+    public function algorithm(string $algo): static
+    {
+        $this->options['algorithm'] = $algo;
+
+        return $this;
+    }
+
+    /**
+     * @return $this
+     */
+    public function signatureExpirationDelay(int $show): static
+    {
+        $this->options['signature_expiration_delay'] = $show;
+
+        return $this;
+    }
+
+    /**
+     * @return $this
+     */
+    public function bodyMaxLength(int $max): static
+    {
+        $this->options['body_max_length'] = $max;
+
+        return $this;
+    }
+
+    /**
+     * @return $this
+     */
+    public function bodyShowLength(bool $show): static
+    {
+        $this->options['body_show_length'] = $show;
+
+        return $this;
+    }
+
+    /**
+     * @return $this
+     */
+    public function headerCanon(string $canon): static
+    {
+        $this->options['header_canon'] = $canon;
+
+        return $this;
+    }
+
+    /**
+     * @return $this
+     */
+    public function bodyCanon(string $canon): static
+    {
+        $this->options['body_canon'] = $canon;
+
+        return $this;
+    }
+
+    /**
+     * @return $this
+     */
+    public function headersToIgnore(array $headers): static
+    {
+        $this->options['headers_to_ignore'] = $headers;
+
+        return $this;
+    }
+}