Have you tried this?
https://xenforo.com/community/threads/resource-sub-categories-display.134236/#post-1175227
I saw it last night but haven't tried it yet.
I'd love to see some examples of the Resource Manager that isn't stock or default.
I would really like to see layout examples (I know there are a few mods)
I would also love to see someone who's made the Resource Managers' listing show up with Google's Rich Cards implemented.
This is tagged as...
It shouldn't be that bad to hard code it into the resource templates, I'm going to give it a try and will report back. :)
https://developers.google.com/search/docs/guides/intro-structured-data
A thread in the marketplace? Give it some time, you'll see most mine are a few days long if not a week or more.
Otherwise if you're a brand new user then just try to help a few people out if you see questions you know. They get a lot of users signing up just to spam their sites, so those users...