Add minimal examples

Task-number: QTBUG-51383
Change-Id: I872bdae7267e7dbf2a93a831d435517bcd4bad64
Reviewed-by: Leena Miettinen <riitta-leena.miettinen@theqtcompany.com>
Reviewed-by: Michal Klocek <michal.klocek@theqtcompany.com>
Reviewed-by: Joerg Bornemann <joerg.bornemann@theqtcompany.com>