Fix spacing issue on android (#114)

Author: thomaschaaf

js/SegmentedControl.js

@@ -77,7 +77,7 @@ const SegmentedControl = ({
  styles.slider,
  {
  transform: [{translateX: animation}],
- width: segmentWidth,
+ width: segmentWidth - 2,
  backgroundColor: tintColor || 'white',
  },
  ]}