Updated index.vue for the medium blog posts

index.vue

<template>
  <div class="container">
    <button @click="signInRedirect">Sign With Redirect</button>
    <button @click="signInPopup">Sign With Pop Up</button>
    <button @click="test">Test</button>
  </div>
</template>

<script>

export default {
  methods: {
    signInRedirect: async function() {
      var provider = new this.$firebase.auth.GoogleAuthProvider()
      const redr = await this.$firebase.auth().signInWithRedirect(provider)
    },
    signInPopup: async function() { },
    test: async function() { }
  }
}
</script>