title: Detect built-in drawing tablets buttons in Electron JavaScript
body: <p>I got a new drawing tablet and it has some built-in buttons on the side.
  <a href="https://i.stack.imgur.com/mgisj.png" rel="nofollow noreferrer">Huion h610 pro v2 drawing tablet with built in buttons</a></p>
  <p>How would I detect when a user presses one of these special buttons using ElectronJs?</p>