feat: 添加时间轴截图导出功能

Author: Enter-tainer

package.json

@@ -15,6 +15,7 @@
     "deploy": "vite build && wrangler deploy"
   },
   "dependencies": {
+    "html-to-image": "^1.11.13",
     "lucide-react": "^1.6.0",
     "react": "^19.2.4",
     "react-dom": "^19.2.4",