Start work on example application

doc/timeline/week21.txt

 Week 21 (18.05. - 24.05.)
 =======================
 
-[~] containerize prototype
+[x] containerize prototype
 
 -> for development, I'll be using docker-compose for now
 
 -> want to have anything in one setup so it is easy to develop on and
    demonstrate
 
-[ ] build example application on dataset
+[~] build example application on dataset
 
 -> what should it even do?
 

ulocollect @ 466e1631

-Subproject commit 3fabd352778292363697783d7fca23e0948500cf
+Subproject commit 466e16319448bb2a70654c07a80666789eee5430