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/src/ServiceClientInterface.php

@@ -0,0 +1,97 @@
+<?php
+
+namespace GuzzleHttp\Command;
+
+use GuzzleHttp\ClientInterface;
+use GuzzleHttp\Command\Exception\CommandException;
+use GuzzleHttp\HandlerStack;
+use GuzzleHttp\Promise\PromiseInterface;
+
+/**
+ * Web service client interface.
+ */
+interface ServiceClientInterface
+{
+    /**
+     * Create a command for an operation name.
+     *
+     * Special keys may be set on the command to control how it behaves.
+     * Implementations SHOULD be able to utilize the following keys or throw
+     * an exception if unable.
+     *
+     * @param string $name Name of the operation to use in the command
+     * @param array  $args Arguments to pass to the command
+     *
+     * @return CommandInterface
+     *
+     * @throws \InvalidArgumentException if no command can be found by name
+     */
+    public function getCommand($name, array $args = []);
+
+    /**
+     * Execute a single command.
+     *
+     * @param CommandInterface $command Command to execute
+     *
+     * @return ResultInterface The result of the executed command
+     *
+     * @throws CommandException
+     */
+    public function execute(CommandInterface $command);
+
+    /**
+     * Execute a single command asynchronously
+     *
+     * @param CommandInterface $command Command to execute
+     *
+     * @return PromiseInterface A Promise that resolves to a Result.
+     */
+    public function executeAsync(CommandInterface $command);
+
+    /**
+     * Executes multiple commands concurrently using a fixed pool size.
+     *
+     * @param array|\Iterator $commands Array or iterator that contains
+     *                                  CommandInterface objects to execute with the client.
+     * @param array           $options  Associative array of options to apply.
+     *                                  - concurrency: (int) Max number of commands to execute concurrently.
+     *                                  - fulfilled: (callable) Function to invoke when a command completes.
+     *                                  - rejected: (callable) Function to invoke when a command fails.
+     *
+     * @return array
+     *
+     * @see GuzzleHttp\Command\ServiceClientInterface::createPool for options.
+     */
+    public function executeAll($commands, array $options = []);
+
+    /**
+     * Executes multiple commands concurrently and asynchronously using a
+     * fixed pool size.
+     *
+     * @param array|\Iterator $commands Array or iterator that contains
+     *                                  CommandInterface objects to execute with the client.
+     * @param array           $options  Associative array of options to apply.
+     *                                  - concurrency: (int) Max number of commands to execute concurrently.
+     *                                  - fulfilled: (callable) Function to invoke when a command completes.
+     *                                  - rejected: (callable) Function to invoke when a command fails.
+     *
+     * @return PromiseInterface
+     *
+     * @see GuzzleHttp\Command\ServiceClientInterface::createPool for options.
+     */
+    public function executeAllAsync($commands, array $options = []);
+
+    /**
+     * Get the HTTP client used to send requests for the web service client
+     *
+     * @return ClientInterface
+     */
+    public function getHttpClient();
+
+    /**
+     * Get the HandlerStack which can be used to add middleware to the client.
+     *
+     * @return HandlerStack
+     */
+    public function getHandlerStack();
+}