…lineLayer`)

Moved `isClockwise` function into `Polygon` as a static method
Added `Polygon` equality and hashing methods
Added `Polygon.copyWithNewPoints` method
Minor performance improvements to `Polyline` equality and hashing methods
Minor syntactic changes to `PolylineLayer.build` method
Removed unnecessary `CustomPainter` methods/parts from `PolylineLayer` & `PolygonLayer`
Reorganized internal file structure of Polygon Layer
Improved Polygon example with 138k points from GeoJson file
Seperated `SimplificationToleranceSlider` in example into independent file

Improved performance stress testing example pages for polygons, polylines, many markers, and many circles
Fixed bug in `Polygon.copyWithNewPoints`
Deprecated & changed behaviour of `Polygon.isFilled`
Fixed unrelated linting/analysis issue