kubectl-gs release v0.1.0

This release supports rendering for CRs:

• Tenant cluster control plane:
  • Cluster (API version cluster.x-k8s.io/v1alpha2)
  • AWSCluster (API version infrastructure.giantswarm.io/v1alpha2)
• Node pool:
  • MachineDeployment (API version cluster.x-k8s.io/v1alpha2)
  • AWSMachineDeployment (API version infrastructure.giantswarm.io/v1alpha2)
• AppCatalog
• App