feat: initial project setup for Meme Studio

Next.js 14 App Router application for managing homophone pun game levels:

- Better Auth with Prisma adapter for authentication
- MySQL database with Prisma ORM
- Level CRUD operations with drag-and-drop reordering
- Tencent COS integration for image uploads
- shadcn/ui components with Tailwind CSS
- TanStack Query for server state management

app/page.tsx

@@ -0,0 +1,5 @@
+import { redirect } from 'next/navigation'
+
+export default function HomePage() {
+  redirect('/levels')
+}