0.01: New App!
0.02: Increase record time to 5 second
      Calculate the time moving in graph display
      Trigger on 1.04g now, and record 10 samples before trigger
0.03: Bangle.js 2 compatibility
0.04: Minor code improvements
0.05: Can record 100hz, z-axis color changed to yellow, autosave to file, no need select, delete old records