Feature Request: Rounded candle bar with provided corner radius.

Hi,

I am using the latest version of your library. It is great and fantastic library. I am using it for 3 years.

I am stucking to implement some specialized requirement.
I want to make candle bar's rounded corners and other small functionality support.

If there is a dedicated support line then it is good to me.

Thanks.

The issue names no files, tests, or entry points. Begin by locating the candle-bar rendering component and confirm the desired corner-radius API and the scope of the other requested functionality with maintainers. Done means an agreed, implemented behavior for rounded candle bars with coverage for the intended cases.

Written by the indexing model from the issue text.