feat: use nuxt 4 structure

app/pages/index.vue

@@ -0,0 +1,27 @@
+<script setup lang="ts">
+definePageMeta({
+  layout: 'home',
+})
+
+const online = useOnline()
+</script>
+
+<template>
+  <div>
+    <Logos mb-6 />
+    <Suspense>
+      <ClientOnly>
+        <PageView v-if="online" />
+        <div v-else text-gray:80>
+          You're offline
+        </div>
+      </ClientOnly>
+      <template #fallback>
+        <div italic op50>
+          <span animate-pulse>Loading...</span>
+        </div>
+      </template>
+    </Suspense>
+    <InputEntry />
+  </div>
+</template>