Request to add an option to make Radar Chart corners rounded

[GaganSinglaKtl]

Hi, @davidgoli @nielsz @Pitel @Doddophonique @dseider

Description:
Hello,
First of all, thank you for this amazing library! It's been incredibly helpful for my project.

I was wondering if it would be possible to add a feature to the Radar Chart that allows the corners of the polygon to be rounded. Currently, the chart appears with sharp edges, but for a smoother and more polished look, it would be great if we could round the edges of the chart.

Suggested Implementation:
A parameter (e.g., setRoundedCorners(boolean enabled)) to toggle rounded corners for the radar chart.
Ability to set the radius of the rounding (e.g., setCornerRadius(float radius)).
This would give more flexibility in customizing the appearance of the radar chart.

Thanks for considering this request!