Author here. It's really easy to do. I implement tons of keyboard accessibility alongside dragula in my projects. In the demo it just felt out of scope. In one project I use dragula for a sprintboard, where you can cancel drags with Esc, drop with Enter, and move cards manually across columns with the arrow keys or a shortcut for each column (e.g 'o' for open)

So yeah, it's not part of the lib but it's deadbrain-easy to add on top.