feat: added keyboard controls for map gestures #1987
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This PR adds keyboard controls for the map, each of which may be toggled individually. By default, only the new arrow key gestures work - but maybe it would be better to enable them all?
Supports arrow & WASD keys for panning, QE keys for rotation, and RF keys for zoom (assuming QWERTY). All keys are physical not logical, so whatever key is in those positions on a QWERTY keyboard will work the same on others).
A potential extension could be to allow a key to be defined which resets the map rotation. And/or, to allow more customizability with keys (eg. to better support rotation and zooming for left handed users using the arrow keys).