feat: Initial project structure for WebTriviasMulti

- Backend: FastAPI + Python-SocketIO + SQLAlchemy
  - Models for categories, questions, game sessions, events
  - AI services for answer validation and question generation (Claude)
  - Room management with Redis
  - Game logic with stealing mechanics
  - Admin API for question management

- Frontend: React + Vite + TypeScript + Tailwind
  - 5 visual themes (DRRR, Retro, Minimal, RGB, Anime 90s)
  - Real-time game with Socket.IO
  - Achievement system
  - Replay functionality
  - Sound effects per theme

- Docker Compose for deployment
- Design documentation

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

frontend/src/App.tsx

@@ -0,0 +1,22 @@
+import { Routes, Route } from 'react-router-dom'
+import Home from './pages/Home'
+import Lobby from './pages/Lobby'
+import Game from './pages/Game'
+import Results from './pages/Results'
+import Replay from './pages/Replay'
+
+function App() {
+  return (
+    <div className="min-h-screen">
+      <Routes>
+        <Route path="/" element={<Home />} />
+        <Route path="/lobby/:roomCode" element={<Lobby />} />
+        <Route path="/game/:roomCode" element={<Game />} />
+        <Route path="/results/:roomCode" element={<Results />} />
+        <Route path="/replay/:sessionId" element={<Replay />} />
+      </Routes>
+    </div>
+  )
+}
+
+export default App