AppleHeader ScreenShot is added

Author: kuraydev

README.md

@@ -17,6 +17,7 @@
 <p align="center">
 <img alt="React Native Header View" src="https://github.com/WrathChaos/react-native-header-view/blob/master/assets/Screenshots/ss1.png" width="49.7%"/>
 <img alt="React Native Header View" src="https://github.com/WrathChaos/react-native-header-view/blob/master/assets/Screenshots/ss2.png" width="49.7%"/>
+<img alt="React Native Header View" src="https://github.com/WrathChaos/react-native-header-view/blob/master/assets/Screenshots/ss3.png" width="49.7%"/>
 </p>
 
 ## Installation