[helm/starboard-operator] add enable kube-hunter

[swarren83]

Add kubernetesHunterEnabled as an configuration parameter to the starboard-operator helm chart.

operator:
  kubernetesHunterEnabled: false

If set to true the following would be added to the starboard configMap data field:

  kube-hunter.imageRef: docker.io/aquasec/kube-hunter:0.6.3
  kube-hunter.quick: false

This will allow execution of starboard scan kubehunterreport to be executed via the starboard CLI on that cluster.

[danielpacak]

The Starboard Operator is not really using Starboard CLI to do it's job. One does not require the other even if they're compatible to some extent. We have #262 to think about best way of integrating KubeHunter with Starboard Operator. Helm is just an installation method and will be updated in scope of the same issue.