T01: Frontend Foundation – Nuxt 3 + Tailwind + Design Tokens + Layout + Meta

- Nuxt 3 project with @nuxtjs/tailwindcss module
- Tailwind CSS config with A0 Dark Theme design tokens (CSS custom properties)
- AppHeader: sticky, logo, nav, phone, social icons, mobile burger menu
- AppFooter: 4-column grid (Navigation, Kontakt, Rechtliches, Social)
- HmsLogo: SVG with orange #EC6925 border
- error.vue: 404 page with Seite nicht gefunden
- robots.txt server route: Disallow: /
- Meta: noindex, nofollow, noarchive, nosnippet
- JSON-LD: LocalBusiness schema
- OpenGraph tags
- routeRules: SSR/CSR per route
- Shared components: LoadingSkeleton, EmptyState, ErrorState, LegalContentPage, SpeakerIcon
- 42 vitest tests passing
- Build: 0 errors

frontend/pages/referenzen.vue

@@ -0,0 +1,13 @@
+<template>
+  <div>
+    <h1 class="text-3xl font-bold text-text mb-4">Referenzen</h1>
+    <p class="text-text-muted">Unsere Referenzen werden hier angezeigt.</p>
+  </div>
+</template>
+
+<script setup lang="ts">
+useHead({
+  title: "Referenzen – HMS Licht & Ton",
+  meta: [{ name: "robots", content: "noindex, nofollow, noarchive, nosnippet" }],
+});
+</script>