feat: add support to motion API

[RodrigoDornelles]

Support the cell phone's gyroscope, which can be 1, 2 or 3 axes at the same time.

references

• https://developer.mozilla.org/en-US/docs/Web/API/DeviceMotionEvent
• https://developer.mozilla.org/en-US/docs/Web/API/Window/devicemotion_event
• feat: add support gyroscope API #24

features

• data-gpz-motion add axis to controll

examples

simple controls joystick

<canvas
  class="gpz-joy"
  data-gpz-bind="KeyW KeyA KeyS KeyD"
  data-gpz-motion="X Y">
</canvas>