Add mouse and touchpad settings

[lenemter]

Problem

One of the first things I do when I install any operating system is tune mouse speed and acceleration. It would be nice if it was a part of onboarding process.

Proposal

Add a new view with mouse and touchpad settings.

Prior Art (Optional)

There are a lot of stuff that can go in it, like primary mouse button, speed and acceleration. Maybe even pointer size? However I'm not sure what can be added from touchpad settings as touchpad works fine for me out of the box.