bindButton 
  fun Button.bindButton(button: KalugaButton, rippleStyle: RippleStyle = RippleStyle.ForegroundRipple)
Makes a android.widget.Button look and behave according to a KalugaButton
Parameters
button
the KalugaButton that specifies the look and behaviour of the android.widget.Button
rippleStyle 
a RippleStyle that is applied when the button is pressed