0.01: New App!
0.02: Support Bangle.js 2
0.03: Fix bug for Bangle.js 2 where g.flip was not being called.
0.04: Combine code for both apps
      Better colors for Bangle.js 2
      Fix selection animation for Bangle.js 2
      New icon
      Slightly wider arc segments for better visibility
      Extract arc drawing code in library