Readme

Author: JanBobolz

README.md

@@ -1,7 +1,11 @@
 # java-demo
 A base Java application for Cryptimeleon. You can use this to get started quickly with your own project. 
 
-## Howto
+## Howto (cloud)
+- On the [github page](https://github.com/cryptimeleon/java-demo), click the green "Code" button and create a new codespace.
+- Open `PointchevalSandersExampleCode.java`, press F5 and it'll run. You now have a working sandbox to play around in.
+
+## Howto (local)
 
 - Check out the project.
 - Import it into your favorite IDE (ours is IntelliJ).