message: Prevent blank scene animation
  Navigate from A to A --> B --> C fluently. Then navigate back 2 ro A. Screen B hasn't ever rendered so it's blank but it can show up when navigating back to A. To avoid blank B appearing set blank scenes to transparent
diff: @@ -125,7 +125,7 @@ var NVScene = requireNativeComponent<any>('NVScene', null);
  const styles = StyleSheet.create({
  scene: {
  - backgroundColor: '#fff',
  + backgroundColor: 'rgba(255,255,255, 0)',
  position: 'absolute',
  top: 0, right: 0,
  bottom: 0, left: 0,
  