add tailwindcss/oxide and lightningcss to avoid error running the app locally

[TobiasAlexanderWulff]

The command 'npm install && npm run dev' wouldn't work due to missing dependencies for Tailwind CSS/Oxide and Lightning CSS.

[vercel[bot]]

@TobiasAlexanderWulff is attempting to deploy a commit to the openai Team on Vercel.

A member of the Team first needs to authorize it.