Confirm dialog cancel now also works on touch outside and click back button
New task dialog is now also an Edit Task dialog:
- data is loaded when clicked on an existing Task
- a delete button is added on Edit mode
- Undo in snackbar is working
- Saving inserts or updates in DB depending on mode
Swipe task right to mark as nexted (increase cycle count)
Handles confirmation dialog (with settings)
Re-add floating add task button
Disable scrolling horizontally (except on the first task) and vertically
