code: function setupPageTracking(options, Vue) {
  
    const router = options.router
  
    const baseName = options.baseName || '(Vue App)'
  
    router.beforeEach( (route, from, next) => {
      const name = baseName + ' / ' + route.name;
      Vue.appInsights.startTrackPage(name)
      next()
    })
  
    router.afterEach( route => {
      const name = baseName + ' / ' + route.name;
      const url = location.protocol + '//' + location.host + '/' + route.fullPath;
      Vue.appInsights.stopTrackPage(name, url);
    })
  }
docs: Track route changes as page views with AppInsights
  @param options