New indicators:
- [Doji](https://daveskender.github.io/Stock.Indicators/indicators/Doji/#content) (Preview) - 735
Updated indicators:
- added `PeriodSize.Month` option for [`quotes.Aggregate()`](https://daveskender.github.io/Stock.Indicators/utilities/#resize-quote-history) helper utility - 730
- added better validation for [Pivot Points](https://daveskender.github.io/Stock.Indicators/indicators/PivotPoints/#content) parameter validation - 723
Special thanks to:
- SvenSkrabal for recommending Month quote aggregation
- overstartup for inspiring PP validation