Cloudflare Worker Proxy API Usage:

1. Add target:    https://anyproxy.extrameta.cn/?target=https://example.com
2. Delete target: https://anyproxy.extrameta.cn/?delete=key
3. List targets:  https://anyproxy.extrameta.cn/?list
4. Use proxy:     https://anyproxy.extrameta.cn/p/<key>/path

Examples:
- Add proxy target:  curl "https://anyproxy.extrameta.cn/?target=https://example.com"
- List all targets:  curl "https://anyproxy.extrameta.cn/?list"
- Delete target:     curl "https://anyproxy.extrameta.cn/?delete=example"
- Use proxy:         curl "https://anyproxy.extrameta.cn/p/example/path"

All API endpoints return JSON responses.