Saves a googleViz chart as a DSS static insight that can be exposed on the dashboard
dkuSaveGooglevisInsight(id, vis, label = NULL)
| id: | Unique identifier of the insight within the project. If an insight with the same identifier already exists, it will be replaced | 
|---|---|
| vis: | The GoogleViz chart | 
| label: | Optional display label for the insight. If NULL, the id will be used as label | 
Nothing