4.4.0

• Fix broken export button in playground (#37)
• Feat: use ResizeObserver to redraw the wheel when the container is resized (#26)
• Doc: include Wheel.resize in README.md
• Doc: add clarity about color values to README.md
• Doc: add detail to README.md about how to draw a pointer
• Doc: include direction parameter in spinToItem method
• Change color of Debugging.dragEventHue
• Add spin button to themes example page