Add podman farm build command that sends out builds to
nodes defined in the farm, builds the images on the farm
nodes, and pulls them back to the local machine to create
a manifest list.
Signed-off-by: Urvashi Mohnani <umohnani@redhat.com>
Move the podman build opts to cmd/common so that
it can be used by podman build and podman farm build
[NO NEW TESTS NEEDED]
Signed-off-by: Urvashi Mohnani <umohnani@redhat.com>