Retrieve cluster kubeconfig and print it to stdout
If you specify clusterName, kubeconfig will have a CurrentContext set to clusterName and
will have this context defined
If you don't specify clusterName, kubeconfig will have multiple contexts for every cluster
in the airship site. Context names will correspond to cluster names. CurrentContext will be empty

Usage:
  get-kubeconfig [clusterName] [flags]

Examples:
# Retrieve target-cluster kubeconfig
airshipctl cluster get-kubeconfig target-cluster

# Retrieve kubeconfig for the entire site; the kubeconfig will have context for every cluster
airshipctl cluster get-kubeconfig


Flags:
  -h, --help   help for get-kubeconfig