👋🏽 Dev Kraken

Results 3 issues of 👋🏽 Dev Kraken

![Screenshot from 2024-05-18 01-54-14](https://github.com/adrianhajdin/portfolio/assets/86368498/0e8f0745-678e-487b-842c-c169c34d84dd)

- Implemented a Zod schema to validate required environment variables: POSTGRES_URL, STRIPE_SECRET_KEY, STRIPE_WEBHOOK_SECRET, BASE_URL, and AUTH_SECRET. - Added error handling to log validation issues and prevent application startup with invalid...