rafadlis realtime-data .cursorrules file for TypeScript

- Use Next.js 15 App Router.
- use Shadcn Ui for the UI.
- use TypeScript for the code.
- Use app directory for routing and use outside the app directory for others.
- Use Drizzle ORM for database operations.
- Use SQLite for the database.
- Use LibSQL for the database.
- use the best Next.js 15 practices.
- Use SWR from vercel for client side data fetching and realtime updates.