Replace GIF with better image + video

Author: RichardLindhout

README.md

@@ -9,8 +9,8 @@
 - Performant
 - Great React Native Web support
 
-Older demo of this library.
-[![IMAGE ALT TEXT HERE](https://user-images.githubusercontent.com/6492229/98866767-bd3f2780-246d-11eb-890e-3491b47c95c5.gif)](https://www.youtube.com/watch?v=SHhQU2doTug)
+
+[![Demo of react-native-paper-dates](https://user-images.githubusercontent.com/6492229/98866767-bd3f2780-246d-11eb-890e-3491b47c95c5.gif)](https://www.youtube.com/watch?v=SHhQU2doTug)
 GIF above is sluggish, click on the image to view video in better frame rate. (https://www.youtube.com/watch?v=SHhQU2doTug)
 ## Getting started