Akihiko Kusanagi 6632b8ba84 Add radar chart config options (#6393)
* Add radar chart config options

* Add default value of spanGaps option for radar charts

* Address review comments
2019-07-21 08:00:11 -04:00
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Charts

Chart.js comes with built-in chart types:

Area charts can be built from a line or radar chart using the dataset fill option.

To create a new chart type, see the developer notes.