Added candlestick chart type...
Added candlestick chart type
- added QCandlestickSeries
- added QCandlestickSet
- added QCandlestickLegendMarker
- added model mappers
- added Candlestick, CandlestickChartItem, CandlestickData
- added SeriesTypeCandlestick to SeriesType enum
- added LegendMarkerTypeCandlestick to LegendMarkerType enum
- added candlestick chart example
- added QML candlestick chart example
- added candlestick tester
- added autotests
- added documentation
[ChangeLog][CandlestickChart] Added new chart type:
Candlestick Chart.
Task-number: QTBUG-50544
Change-Id: I17d18dfa23e0ea209bf51ab1e349585b9cb50a8f
Reviewed-by: Miikka Heikkinen <miikka.heikkinen@qt.io>
