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/topthink/think-image/tests/TextTest.php

@@ -0,0 +1,58 @@
+<?php
+// +----------------------------------------------------------------------
+// | ThinkPHP [ WE CAN DO IT JUST THINK IT ]
+// +----------------------------------------------------------------------
+// | Copyright (c) 2006-2015 http://thinkphp.cn All rights reserved.
+// +----------------------------------------------------------------------
+// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
+// +----------------------------------------------------------------------
+// | Author: yunwuxin <448901948@qq.com>
+// +----------------------------------------------------------------------
+namespace tests;
+
+use think\Image;
+
+class TextTest extends TestCase
+{
+    public function testJpeg()
+    {
+        $pathname = TEST_PATH . 'tmp/text.jpg';
+        $image    = Image::open($this->getJpeg());
+
+        $image->text('test', TEST_PATH . 'images/test.ttf', 12)->save($pathname);
+
+        $file = new \SplFileInfo($pathname);
+
+        $this->assertTrue($file->isFile());
+
+        @unlink($pathname);
+    }
+
+    public function testPng()
+    {
+        $pathname = TEST_PATH . 'tmp/text.png';
+        $image    = Image::open($this->getPng());
+
+        $image->text('test', TEST_PATH . 'images/test.ttf', 12)->save($pathname);
+
+        $file = new \SplFileInfo($pathname);
+
+        $this->assertTrue($file->isFile());
+
+        @unlink($pathname);
+    }
+
+    public function testGif()
+    {
+        $pathname = TEST_PATH . 'tmp/text.gif';
+        $image    = Image::open($this->getGif());
+
+        $image->text('test', TEST_PATH . 'images/test.ttf', 12)->save($pathname);
+
+        $file = new \SplFileInfo($pathname);
+
+        $this->assertTrue($file->isFile());
+
+        @unlink($pathname);
+    }
+}