Add items in the fun section

Added Gartic.io at the fun section

Author: tvalentius

README.md

@@ -148,6 +148,7 @@ Useful fun activities that can be done at the meetup/events/activities.
 - [Kahoot](https://kahoot.com/) - Kahoot! brings engagement and fun to your events and makes learning awesome.
 - [Wheel Of Names](https://wheelofnames.com/) - Random name picker with Wheel Of Fortunes style animation.
 - [AirConsole](https://www.airconsole.com/) - Multiplayer browser games with your smartphones as the gamepads.
+- [Gartic](https://gartic.io/) - Pictionary-inspired games that can be played online
 
 
 ## License