Add functionality for AAP containerized Backup

[joel-figov]

Is your feature request related to a problem? Please describe.
The current backup role seems to only cover rpm based installations, or at least installers that had a setup.sh file.

Describe the solution you'd like
When running the backup role, like the installer role, pick up that I'm running a containerised install and be able to run the backup from this location

Describe alternatives you've considered
N/A
Additional context
N/A