Added code sandbox link

Shamin Meerankutty · web-flow · commit 5f7f9df539b9 · 2018-07-24T18:49:28.000+05:30
diff --git a/README.md b/README.md
@@ -1,6 +1,8 @@
 # react-fullscreen-loading
 Minimal fullscreen loading for react
 
+[![Edit v6z782xow7](https://codesandbox.io/static/img/play-codesandbox.svg)](https://codesandbox.io/s/v6z782xow7)
+
 ## Installation
 
 ```
