+Canvas for hexagonal board Vue reactivity :
+https://stackoverflow.com/questions/40177493/drawing-onto-a-canvas-with-vue-js
+custom directives ?
+
+Desktop notifications:
+https://developer.mozilla.org/fr/docs/Web/API/notification
+
+Think about this:
+https://alligator.io/vuejs/component-communication/
+https://alligator.io/vuejs/global-event-bus/
+