DefaultDecoder decodes JSON API delegates any other content type to github.con/go-chi/render.

Respond handles JSON API responses and delegates any other content type to github.com/go-chi/render automatically setting the Content-Type based on request headers.

GetContentType extends go-ci/render to support application/vnd.api+json.

GetRequestContentType is a helper function that returns ContentType based on context or request headers.

JSONAPI marshals `v` to JSONAPI, automatically setting Content-Type as application/vnd.api+json.