Update README.md

Author: atmoner

README.md

@@ -3,6 +3,10 @@ Monitor twitter stream.
 TwitWork use the twitter stream which allows you to have a tweets in real-time.  
 There is an input that allows you to filter the flow on one (or more) keywords or on an @ based on twitter tracking
 
+## Demo
+This is a demo of export data on keyword "Coronavirius"  
+https://twitwork.github.io/
+
 ![TwitWork](https://s5.gifyu.com/images/ezgif-6-24a9642e1e53.gif)
 ![TwitWork](https://i.imgur.com/Tq0RSv4.jpg)