feat: restructure into XFlow monorepo with Nuxt 4, Modular Onion Monolith, Android client, and Desktop CLI

apps/web/app/app.vue

@@ -0,0 +1,22 @@
+<template>
+  <NuxtLayout>
+    <NuxtPage />
+  </NuxtLayout>
+</template>
+
+<script setup>
+const { initAuth } = useAuth()
+initAuth()
+
+useHead({
+  title: 'XFlow',
+  meta: [
+    { charset: 'utf-8' },
+    { name: 'viewport', content: 'width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no' },
+    { name: 'theme-color', content: '#0f172a' }
+  ],
+  link: [
+    { rel: 'icon', type: 'image/x-icon', href: '/favicon.ico' }
+  ]
+})
+</script>