Please confirm the following.
What parts of Modrinth is your feature request related too?
Modrinth.com website
Is your suggested feature related to a problem? Please describe.
No response
Describe the solution you'd like
When you package a datapack as a resource pack, it doesn't include any resouce packs added as secondary files. An option to include them in the packaged .jar file should be added too.
Describe alternatives you've considered
You can create a new project and upload a resource pack as that, and add it as a requirement, but that's more confusing and you end up with 2 projects for the same datapack.
Additional context
No response