refactor: refactoring template

src/main.js

@@ -3,23 +3,28 @@
 import 'core-js/es6/promise'
 import 'core-js/es6/string'
 import 'core-js/es7/array'
+
 // import cssVars from 'css-vars-ponyfill'
 import Vue from 'vue'
 import BootstrapVue from 'bootstrap-vue'
 import App from './App'
 import router from './router'
+import CoreuiVue from '@coreui/vue'
+
+Vue.config.performance = true
 
 // todo
 // cssVars()
-
 Vue.use(BootstrapVue)
+Vue.use(CoreuiVue)
+
 
 /* eslint-disable no-new */
-new Vue({
+var vm = new Vue({
   el: '#app',
   router,
   template: '<App/>',
   components: {
     App
-  }
+  },
 })