Add support for nodePort on service

[kurtnapolitano]

When using a service type of NodePort, the port you wish to expose must be specified under the .spec.ports[*].nodePort entry.

https://kubernetes.io/docs/concepts/services-networking/service/#type-nodeport

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[gitkent]

@kurtnapolitano please check failed ci build.

[kurtnapolitano]

@gitkent , updated helm chart number with a minor version rev (supporting nodeport feels like a feature-add), linter should pass now.