- create preferences menu
- allow modification of category colors
- allow selection of drawing method (ellipsies, rounded-rectangles)
- create minimal handbook
- create video showing off how to use rico-cluster-qt
- pan on whiteboard using arrow keys - not only space
- add option to add arrows on both ends of an edge
- add option to stylize drawing of edges (dashed, dotted,...)
- add undo/redo option
- add option to open multiple documents at the same time
- add copy/paste between documents