feat: 建立Allure测试报告系统

- 安装allure-playwright和allure-commandline依赖
- 添加Allure相关的npm脚本（test:allure、test:allure:open、test:allure:serve）
- 在playwright.config.ts中集成Allure reporter
- 创建Allure测试报告系统使用指南
- 支持测试描述、步骤、标签、严重级别、套件、链接、附件、参数等功能
- 支持CI/CD集成（Woodpecker、GitHub Actions、GitLab CI）

e2e/playwright.config.ts

@@ -14,7 +14,12 @@ export default defineConfig({
     ['json', { outputFile: 'test-results/results.json' }],
     ['junit', { outputFile: 'test-results/junit.xml' }],
     ['line'],
-    ['list']
+    ['list'],
+    ['allure-playwright', {
+      outputFolder: 'allure-results',
+      detail: true,
+      suiteTitle: false,
+    }],
   ],
   timeout: env.timeout,
   expect: {