feat: add missing fields to values

[golgoth31]

modify serviceAccount to be able to use externally created SA.
It also add nodeSelector, tolerations and topologySpreadContraints fields to values.yaml (with empty values by default).

closes #174

[matthisholleville]

Hello @arttor, can you review this PR please ? We need it 🙏

[golgoth31]

@arttor Thank you for the review, I fixed your point. I also have also backported the automount field from a blank helm chart generated with the latest helm.sh release (helm create ...).

[arttor]

@Greendor1234 there is a lint errors on CI

[golgoth31]

Hi @arttor and @Greendor1234 , do I have something to do to fix the CI ?

[arttor]

yes, there are linting errors:

  Error: Error return value of `json.Unmarshal` is not checked (errcheck)
  Error: Error return value of `json.Unmarshal` is not checked (errcheck)
  Error: Error return value of `encoding/json.Marshal` is not checked (errchkjson)
  Error: Error return value of `encoding/json.Marshal` is not checked (errchkjson)

see: https://github.com/arttor/helmify/actions/runs/18792232809/job/53646170677?pr=175

[golgoth31]

@arttor I fixed the linter issues

[golgoth31]

@arttor All seems ok, thank you for your review

[harrygodwin10]

this seems to have broken -preserve-ns for ServiceAccounts since being released in 0.4.19, per #179 (comment)