enhancement early hints for quic support

[osevan]

Early hints reduce additional 30% of server latency and page request time.

You can google work of Cloudflare.

Thanks and

Best regards

[osevan]

https://developer.chrome.com/docs/web-platform/early-hints?hl=en

https://www.iron-out.io/blog/boost-performance-with-103-early-hints

[osevan]

https://github.com/nginx-modules/ngx_http_early_hints

[osevan]

Its old and NOT compatible with http3 quic