example ssr - vue app update

.js

// app.vue

<template>
  <div id="app">
    <img alt="Vue logo" src="./assets/logo.png">
    <HelloWorld msg="Welcome to Your Vue.js App"/>
  </div>
</template>

<script>
import HelloWorld from './components/HelloWorld.vue'

export default {
  name: 'app',
  metaInfo: {
    title: 'My Example App',
    titleTemplate: '%s - Yay!',
    htmlAttrs: {
      lang: 'en',
      amp: true
    }
  },
  components: {
    HelloWorld
  }
}
</script>