Sett opp frontend med React, TypeScript og Vite

[ktnielse]

Område: Oppsett

• Krav: React + TypeScript, Vite
• Ferdig når: npm run dev viser en startside

[alekskjo]

Completed. The React, TypeScript, and Vite frontend is merged, the development server starts successfully, and the application provides a working start page. Closing this issue as completed.