Add a helm chart for using Dgraph

[pawanrawal]

Now that we have a config for running Dgraph using Kubernetes, we should also add a helm chart at https://github.com/kubernetes/helm.

[AceHack]

This would be a great feature

[pawanrawal]

@sboorlagadda do you have experience with this or would like to take a look at it?

[sboorlagadda]

I can pick it up.

[llonchj]

@sboorlagadda what is the status of this task?

[peternavr]

Any updates?

[george-oakling]

Can I help with helm chart?

[manishrjain]

Sure.

[danielmai]

@george-oakling do you have any updates with the helm chart?