Update screenshot

Author: samassango

README.md

@@ -2,7 +2,7 @@
 
 This component aimed to enable navigating from it's child component using multi step approach which will help in creating multi step forms, viewing item by item etc..
 
-![Preview]()
+![Preview](https://github.com/samassango/react-native-multi-steps/blob/main/screenshot.gif)
 
 
 ## Installation