Support Link HTTP headers with rel=preload

[AKockWorth]

Describe the feature you'd like to request

If the NextJS web server would, in addition to the preload links in the HTML source, also respond with Link HTTP headers, we could use this Nginx feature to automatically HTTP/2 Push the resources to the client.

Describe the solution you'd like

The HTTP handler that renders the HTML should be able to access the information about which scripts to include and set the desired headers.

Describe alternatives you've considered

A separate proxy web server that parses the HTML, injects the headers, and passes on the response.

[peteychuk]

That would be great to have a Link HTTP header together with an HTML link tag in order to optimize performance. It's a very popular approach and for example, Cloudflare supports it and enables server push by default, Nginx and Ingress-nginx allows to enable server push.
Nginx wrote a good blog post "Introduce HTTP/2 Server Push" that explains how to work with Server Push.

[michaeljscript]

Is there any update on this?