Add curlpod

[sgoings]

In the Kubernetes documentation they use the following pod definition for being able to manual test services within the cluster with curl/nslookup/etc:

apiVersion: v1
kind: Pod
metadata:
  name: curlpod
spec:
  containers:
  - image: radial/busyboxplus:curl
    command:
      - sleep
      - "3600"
    imagePullPolicy: IfNotPresent
    name: curlcontainer
  restartPolicy: Always

Then you execute:

kubectl exec curlpod -- nslookup nginxsvc

It would be nifty to have this available as a helm chart (would have helped @bacongobbler with testing #25)

[bacongobbler]

+1