Update README.md

Author: cheton

README.md

@@ -3,6 +3,10 @@
 
 A higher order React component for [Sortable](https://github.com/RubaXa/Sortable).
 
+Demo: http://cheton.github.io/react-sortable
+
+The sample code can be found in the [examples](https://github.com/cheton/react-sortable/examples) directory.
+
 ## Installation
 The easiest way to use react-sortablejs is to install it from npm and include it in your React build process using webpack or browserify.
 ```bash