Add command to Podman machine os that applies an oci image to its operating system.

Apply machine OS changes
Description:  Apply machine OS changes from a VM image
Usage:  podman machine os apply [options] image [vm]
Aliases:

Examples:

  podman machine os apply myimage }}{{ 

  podman machine os apply –build ./Containerfile myimage myvm

Options: 

--now              apply changes immediately and reboot       

--bootable,-b      Create a bootable image in the local filesystem   {}{}FUTURE{}{}

QE:

• Boot a podman machine
• build a new image using `FROM` which points to the default podman Container and add packages that are not part of the default
• perform podman machine apply localimage and reboot
• verify the presence of the new packages
• REPEAT ABOVE but push the image to a repository
• use apply and a fq path to image in the repository
• reboot and verify

https://docs.google.com/document/d/1X-R4d7fGm2cKd5sPKIvWef8hXLlLxGh9j2dnO78vAaw/edit?usp=sharing