I tried responding to the email which included both the wg email and this group, but it bounced on the group address, so reposting.
I switched the PR for adding a checklist to the microprofile project into an issue template:
Should I move it over?
Going the route of a pure metadata type of submission that is used to generate website or other materials is something that I was starting to look at for
jakarta.ee where we do pull the PR directly in. The Hugo engine there supports yaml, md, maybe even json.
Having other artifacts does not necessarily preclude its usage. It is just a question of how it is consumed.