chore(label): new label "values-from"

This labels allow to use some environment variables from another service
and use the configMap / secret instead of the original value. This is
useful to avoid duplication of values for several variables.

generator/labels/katenaryLabels.go

@@ -33,6 +33,7 @@ const (
 	LabelCronJob        Label = KatenaryLabelPrefix + "/cronjob"
 	LabelEnvFrom        Label = KatenaryLabelPrefix + "/env-from"
 	LabelExchangeVolume Label = KatenaryLabelPrefix + "/exchange-volumes"
+	LabelValueFrom      Label = KatenaryLabelPrefix + "/values-from"
 )
 
 var (