[FEATURE] Please provide example on how to use flags

Summary

ewc hub deploy

Motivation

Please provide example on how to use it or use single name if more needs to be provided │ --security-groups -sg TEXT List of security groups (comma-separated in env var EWC_CLI_OPENSTACK_SECURITY_GROUPS or multiple arguments with the flag). │ │ --networks -n TEXT List of networks (comma-separated in env var EWC_CLI_OPENSTACK_NETWORKS or multiple arguments with the flag).

Proposed Implementation

No response

Alternatives Considered

No response

Priority

None