title: Are there maintenance-mode for vue/cli app?
body: <p>I wonder if for vue/cli / bootstrap-vue project/vue-router / "vue-resource" project
  with laravel 6 as backend api there are some goods decisions/plugins like
  maintenance-mode in laravel, with blocking all site with common message and posibility to leave access to some pages, like admin area ?</p>
  
  <p>Thanks!</p>