Added scroll-to-focus

  methods: {

    // Handle global mouse wheel events to be associated with navigation

    wheelMonitor: function(event) {

      // TODO: Add logic

      console.log(event.deltaY)

      console.log(event.target.parentNode.classList)

      // Only capture scroll if the event target's parent contains the "scrollTarget" class

      if (event.target.parentNode.classList.contains("scrollTarget")) {

        console.log("Wheel captured");

      }

      else {

        console.log("Scrolled outside of a scroll capture target")

        var z_rel = (event.deltaY)/100 * this.stepZz

        this.moveRequest(0, 0, z_rel, false)

      }

    },