charts/docs/_sidebar.md

* Getting started
  * [Quick start](getting_started/quick_start.md)

* Axis charts
  * [A basic chart](basic/basic_chart.md)
  * [Area and Trends Charts](basic/trends_regions.md)
  * [Tooltips and Annotations](basic/annotations.md)
  * [Stacked and Mixed Charts](basic/stacked_and_mixed.md)

* Pies and Percentages
  * [Aggregation Charts](basic/aggr_sliced_diags.md)

* Update state
  * [Modify data](update_state/modify_data.md)

* Events
  * [Navigation]()
  * [Event hooks]()

* Heatmap
  * [Day-based Month-wise data](basic/heatmap.md)

* Exporting
  * [Image Files]()

* Reference
  * [Configuration]()
  * [API]()

* [ChangeLog]()
* [Wrappers]()
* [Contributing]()