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/guzzlehttp/command/tests/CommandTest.php

@@ -0,0 +1,41 @@
+<?php
+
+namespace GuzzleHttp\Tests\Command;
+
+use GuzzleHttp\Command\Command;
+use GuzzleHttp\HandlerStack;
+use PHPUnit\Framework\TestCase;
+
+/**
+ * @covers \GuzzleHttp\Command\Command
+ */
+class CommandTest extends TestCase
+{
+    public function testHasData()
+    {
+        $c = new Command('foo', ['baz' => 'bar']);
+        $this->assertSame('bar', $c['baz']);
+        $this->assertTrue($c->hasParam('baz'));
+        $this->assertFalse($c->hasParam('boo'));
+        $this->assertSame(['baz' => 'bar'], $c->toArray());
+        $this->assertEquals('foo', $c->getName());
+        $this->assertCount(1, $c);
+        $this->assertInstanceOf('Traversable', $c->getIterator());
+    }
+
+    public function testCanInjectHandlerStack()
+    {
+        $handlerStack = new HandlerStack();
+        $c = new Command('foo', [], $handlerStack);
+        $this->assertSame($handlerStack, $c->getHandlerStack());
+    }
+
+    public function testCloneUsesDifferentHandlerStack()
+    {
+        $originalStack = new HandlerStack();
+        $command = new Command('foo', [], $originalStack);
+        $this->assertSame($originalStack, $command->getHandlerStack());
+        $command2 = clone $command;
+        $this->assertNotSame($originalStack, $command2->getHandlerStack());
+    }
+}