Added changes to add multicolor penColor support.
behaviour:
When penColor is not changed
Will follow existing behaviour
when penColor is changed at runtime
subsequent draws will follow the new penColor maintaining old pencolor points. If exportPenColor is not passed then exported object will have multicolor
Added changes to add multicolor penColor support. behaviour:
https://github.com/4Q-s-r-o/signature/assets/13239043/4a3d7918-439a-4e0a-bad1-5fee161fc95e
https://github.com/4Q-s-r-o/signature/assets/13239043/a60eb236-8851-43c0-9787-c5f9f32ada9a