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/qcloud/cos-sdk-v5/tests/TestCosClientBase.php

@@ -0,0 +1,54 @@
+<?php
+
+namespace Qcloud\Cos\Tests;
+
+class TestCosClientBase extends \PHPUnit\Framework\TestCase
+{
+    protected $cosClient;
+    protected $bucket;
+
+    protected function setUp(): void
+    {
+        $this->bucket = Common::getBucketName();
+        $this->cosClient = Common::getCosClient();
+        try{
+            $this->cosClient->createBucket(array('Bucket' => $this->bucket));
+        } catch(\Exception $e) {
+        }
+        Common::waitSync();
+    }
+
+    protected function tearDown(): void
+    {
+        if (!$this->cosClient->doesBucketExist($this->bucket)) {
+            return;
+        }
+
+        $result = $this->cosClient->listObjects(
+            array('Bucket' => $this->bucket));
+
+        if (isset($result['Contents'])) {
+            foreach ($result['Contents'] as $content) {
+                $this->cosClient->deleteObject(array('Bucket' => $this->bucket, 'Key' => $content['Key']));
+            }
+        }
+        while(True){
+            $result = $this->cosClient->ListMultipartUploads(
+                array('Bucket' => $this->bucket));
+            if ($result['Uploads'] == array()) {
+                break;
+            }
+            foreach ($result['Uploads'] as $upload) {
+                try {
+                    $this->cosClient->AbortMultipartUpload(
+                        array('Bucket' => $this->bucket,
+                            'Key' => $upload['Key'],
+                            'UploadId' => $upload['UploadId']));
+                } catch (\Exception $e) {
+                    print_r($e);
+                }
+            }
+        }
+        $this->cosClient->deleteBucket(array('Bucket' => $this->bucket));
+    }
+}