library
- allow to directly sort the list if a new comparator is defined
- sort with a comparator in the
set()method - add getter for the comparator
- add new IDraggable interface to enable / disable the dragging feature of an item
- check the IDraggable flag within the SimpleDragCallback
sample
- add new sample showcasing the sort functionality THANKS @rubengees
- use the new IDraggable interfae in the SampleItem
- update all libs of the sample app