default.vue

<template>
    <div class="app">
        <Navigation :breadcrumb="breadcrumb" />
        <Nuxt />
    </div>
</template>

<script>
export default {
  data() {
    return {
      breadcrumb: []
    }
  },
  created() {
    this.$nuxt.$on('changeRoute', (breadcrumb) => {
        this.breadcrumb = breadcrumb
    })
  }
}
</script>

<style lang="scss">
.app {
    transition: margin .5s ease-in-out;
}
</style>