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/psr-http-message-bridge/.php-cs-fixer.dist.php

@@ -0,0 +1,25 @@
+<?php
+
+return (new PhpCsFixer\Config())
+    ->setRules([
+        '@Symfony' => true,
+        '@Symfony:risky' => true,
+        '@PHPUnit48Migration:risky' => true,
+        'php_unit_no_expectation_annotation' => false, // part of `PHPUnitXYMigration:risky` ruleset, to be enabled when PHPUnit 4.x support will be dropped, as we don't want to rewrite exceptions handling twice
+        'array_syntax' => ['syntax' => 'short'],
+        'fopen_flags' => false,
+        'ordered_imports' => true,
+        'protected_to_private' => false,
+        // Part of @Symfony:risky in PHP-CS-Fixer 2.13.0. To be removed from the config file once upgrading
+        'native_function_invocation' => ['include' => ['@compiler_optimized'], 'scope' => 'namespaced'],
+        // Part of future @Symfony ruleset in PHP-CS-Fixer To be removed from the config file once upgrading
+        'phpdoc_types_order' => ['null_adjustment' => 'always_last', 'sort_algorithm' => 'none'],
+    ])
+    ->setRiskyAllowed(true)
+    ->setFinder(
+        (new PhpCsFixer\Finder())
+            ->in(__DIR__)
+            ->exclude('vendor')
+            ->name('*.php')
+    )
+;