add namespace to the helm/k8s YAMLs

[dmpe]

Hi,
Amazing SW. Thank you very much for creating it.
Could you please add namespace: {{ .Release.Namespace }} to each YAML in the helm chart. I would consider it a best practise ... And sure enough, i know it might not be necessary... But all my charts (not internal apps) always do have namespace: {{ .Release.Namespace }} being set.

Thx.

[brendan-kellam]

Appreciate it! This change makes sense - I'll see if I can get to it tomorrow, but feel free to open a PR in the meantime