old_contents: import Vue from 'vue'
  import App from './App.vue'
  
  import VSwipe from 'vswipe';
  Vue.use(VSwipe);
  new Vue({
    el: '#app',
    render: h => h(App)
  })
  
new_contents: import Vue from 'vue'
  
  import App from './App.vue'
  
  new Vue({
    el: '#app',
    render: h => h(App)
  })
  
subject: remove vswipe