init: HejYou Language Learning App (React + Vite)

React SPA with Vite, Directus backend, canvas-confetti.
Includes Dockerfile (multi-stage Node → nginx) for Coolify deployment.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

src/pages/Game.jsx

@@ -0,0 +1,7 @@
+export default function Game() {
+  return (
+    <div style={{ height: '100%', display: 'flex', alignItems: 'center', justifyContent: 'center', background: '#EDE0CE' }}>
+      <p style={{ color: '#8C7A65', fontSize: '15px', fontFamily: 'Nunito, sans-serif' }}>Dieser Bereich wird später kommen.</p>
+    </div>
+  )
+}