beta.50

Multiple fixes:

• Improved MotionCanvas class for UWP and WinUI, now charts in both platforms have smoother animations.
• Improved how the library handles multithreading updates for all the platforms.
• Improved and implemented correctly render transforms in the geometries defined by the library, (translate, rotate, scale, skew and matrix) all are animatable now.
• #143, fixed an issue where sections could be drawn out of the draw margin bounds.
• #142, fixed an issue related with column series spacing.
• #140, now we can set fonts in every Paint object in the library.
• #139, fixed a bug when stacked series were grouped.
• #136, new feature, force the step on axes.
• #128, now series are smarter and consider the geometry size to decide the axis range.