Init.

frontend/app/app.vue

@@ -0,0 +1,23 @@
+<script setup lang="ts">
+  import { createApp } from 'vue'
+  import { createPinia } from 'pinia'
+  import App from './app.vue'
+
+  const pinia = createPinia()
+  const app = createApp(App)
+
+  app.use(pinia)
+  app.mount('#app')
+</script>
+
+<template>
+  <v-app>
+    <NuxtLayout>
+      <NuxtPage />
+    </NuxtLayout>
+  </v-app>
+</template>
+
+<style scoped>
+
+</style>