feat(e2e): 添加完整的E2E测试框架和测试用例

添加Playwright测试框架配置和基础页面对象
实现冒烟测试用例覆盖首页和联系页面核心功能
更新导航组件以支持滚动高亮功能
添加BackButton组件统一返回按钮行为
配置Woodpecker CI集成和测试报告生成

e2e/package.json

@@ -0,0 +1,26 @@
+{
+  "name": "e2e-tests",
+  "version": "1.0.0",
+  "private": true,
+  "scripts": {
+    "test": "playwright test",
+    "test:ui": "playwright test --ui",
+    "test:debug": "playwright test --debug",
+    "test:headed": "playwright test --headed",
+    "test:smoke": "playwright test --grep @smoke",
+    "test:regression": "playwright test --grep @regression",
+    "test:performance": "playwright test --grep @performance",
+    "test:responsive": "playwright test --grep @responsive",
+    "test:visual": "playwright test --grep @visual",
+    "test:report": "playwright show-report",
+    "test:all-with-progress": "node run-tests-with-progress.js",
+    "install": "playwright install --with-deps"
+  },
+  "devDependencies": {
+    "@axe-core/playwright": "^4.9.0",
+    "@playwright/test": "^1.48.0",
+    "@types/node": "^20.11.0",
+    "glob": "^13.0.6",
+    "typescript": "^5.3.0"
+  }
+}