Feature Request: Horizontal and Vertical Lines

[jpfeil]

Thank you so much for building this! Do you have any plans to add the ability to annotate the charts. Something as simple as horizontal and vertical lines would help a lot.

[BoboTiG]

Can you elaborate a bit? What/How would you see such a feature?

[jpfeil]

I was thinking the api could be something like chart.set_yline(xindex, color, etc.) Basically, I'd like to annotate when a trade was entered and exited.

The mplfinance library also has some examples:

https://github.com/matplotlib/mplfinance/blob/master/examples/using_lines.ipynb