sdf worker
The sdf worker contains all the subcommands needed for Deployment.
sdf worker commands
- sdf worker create - to create host worker
 - sdf worker connect - to connect to current worker
 - sdf worker list - to list cluster workers
 - sdf worker register - to register remote worker
 - sdf worker unregister - to unregister remote worker
 - sdf worker switch - to switch selected worker
 - sdf worker shutdown - shutdown a worker