message: add batch api group explanation
diff: @@ -263,6 +263,11 @@ following objects:
  - replicasets
  - horizontalpodautoscalers
  - ingresses
  +
  +The following RBAC permissions are required on the batch API group for the
  +following objects:
  +
  +- jobs
  - cronjobs
  ## Surfacing your Kubernetes components as part of an entity
  