update readme, add links

Author: bjornregnell

README.md

@@ -6,7 +6,9 @@ This is a library with Scala utilities for Computer Science teaching. The librar
 
 The api documentation is available here: http://cs.lth.se/pgk/api/
 
-Se also: http://cs.lth.se/pgk and https://github.com/lunduniversity/introprog
+You can fins example code here: https://github.com/lunduniversity/introprog-scalalib/tree/master/src/main/scala/introprog/examples
+
+This repo in used in this course (in Swedish): http://cs.lth.se/pgk with course material published as free open source here: https://github.com/lunduniversity/introprog
 
 ## How to use this library
 ### Using sbt