Update README.md

README.md

@@ -20,6 +20,7 @@ prompt. (Typing `jupyter notebook` at the commando line also works.)
 If you are using Linux or macOS, open a terminal and start
 jupyter by typing `jupyter notebook` at the prompt. 
 
+### Try Jupyter [online](https://jupyter.org/try)
 
 ## Reading resources 
 [Reading resources](https://git.app.uib.no/Guttorm.Alendal/dcod-at-runde/tree/master/Reading_resources) before arrival at Runde.