react-native-camera

feat(touch): Feature/add on tap events (#2827)

* add TouchEvent on android

* add GestureHandler to detect touches on android

* add property to enable touchDetector on android

* add onTouch event to ios

* add GestureRecognizer to ios

* add onTouch property and js setup

* add missing semicolons

* fix literal notation

* add missing ":"

* fix copy-paste error (wrong var-name)

* pass the native event to the onTouch callback

* replace : with ;

* add onTouch type defs

* add documentation for onTouch property

* scale postion before emitting since the event coordinates are raw pixels

* migrate advanced example to native pinch zoom and onTouch

* split onTouch property into onTap and onDoubleTap