I guess there are not a lot of uses for resources and it is currently only used three times. Basically all of these questions were asking for some kind of reference and I think the reference-request would still be appropriate. Even there are not a lot of questions.
There is also no tag wiki for resources, so the scope is yet undefined. One could append the reference-request to include resources:
This tag is for questions looking for a single specific, or a small number of (citable) references. It may also be applied to questions looking for (online) resources and/or materials.