chartjs plugin annotation integration

[lucasbcgeo]

Describe the feature

This chartsjs plugin make possible to make averages graphs inside the existing graph.

https://www.chartjs.org/chartjs-plugin-annotation/1.2.0/samples/line/average.html

Does this fix a problem? If so, specify.

Average lack

Did you consider other alternatives?

No response

Screenshots and recordings

No response