Add a link to the demo

Author: yllieth

README.md

@@ -1,5 +1,7 @@
 # angular-http-status
 
+> Demo: http://yllieth.github.io/angular-http-status/app/index.html
+
 Angular stuff to easily convert status text into its HTTP code and _vice versa_.
 
 I only care about _real_ Http statuses, so I used the list from 
@@ -98,4 +100,4 @@ DBAD. See the [LICENSE](https://github.com/yllieth/angular-http-status/blob/mast
 2. Create your feature branch (`git checkout -b my-new-feature`)
 3. Commit your changes (`git commit -am 'Add some feature'`)
 4. Push to the branch (`git push origin my-new-feature`)
-5. Create new Pull Request
+5. Create new Pull Request