This adds yamllint to the CI linter job and sets the maximum line
length to 140 like in kubevirt/kubevirt.
Signed-off-by: Felix Matouschek <fmatouschek@redhat.com>
By allowing to specify DataVolume templates VMs with persistent storage
can be created using the kubevirt_vm module.
Signed-off-by: Felix Matouschek <fmatouschek@redhat.com>