Cleanup policy based on blob stores

Hi,

It would be great to have the ability to define cleanup policies based on blob stores.

The use case is pretty simple: We have two different hosted repositories for Docker artifacts, one intended for active development (Which in the Maven universe could be considered a SNAPSHOT), and another for released components. Each of those goes is configured to use its own blob store, so we can decide the physical disk to use, etc.

We made our own homemade solution for cleaning up old artifacts based on blob stores, it works fine for our organization. Would be awesome to get something similar from Sonatype directly.

Thanks.