Support namespace as part of the helm templates

[sstarcher]

Anyone using gitops may have an issue with your comment charts as they can not specify the namespace as part of the templating.

Locations such as this would need to specify the namespace instead of leaving it blank https://github.com/coder/coder/blob/main/helm/libcoder/templates/_coder.yaml#L5

Would you accept a PR for these changes?

[kylecarbs]

I believe our charts would install the entire chart under a singular namespace (e.g. -n coder).

Are you trying to specify unique namespaces for different resources?

[sstarcher]

I'm saying for our use-case it's required that each manifest specify the namespace it needs to be installed into. We can't specify the namespace as part of kubectl apply so we need the rendered manifests to contain the namespace that they should be installed into such as using .Release.Namespace

[sstarcher]

Can this not be closed it's still an issue for me. More than happy to put in a PR for this change if you can confirm you would be interested.