feat(awsmodel): Logic for EBS DeleteOnTermination
feat(awsmodel): Logic for EBS DeleteOnTermination

Implement separated logics for root volume and additional volumes

kubernetes/kops,robinpercy/kops,robinpercy/kops,justinsb/kops,robinpercy/kops,justinsb/kops,justinsb/kops,robinpercy/kops,kubernetes/kops,kubernetes/kops