This adds a pretty template for both inspect subcommands. For configs,
it's particularly useful because it's a way to expose the config payload
in the CLI in a non-base64-encoded way.
Signed-off-by: Aaron Lehmann <aaron.lehmann@docker.com>
responses to the CLI. In `node ls`, display only whether the nodes' TLS
info matches the cluster's TLS info, or whether the node needs cert rotation.
Signed-off-by: Ying Li <ying.li@docker.com>