Fix typo (porduction => production)

This PR corrects the spelling of "production" in two example projects, `hello-world`, and `simple-server`. **Before** <img width="802" height="260" alt="Screenshot 2025-08-26 at 10 27 34 AM" src="https://github.com/user-attachments/assets/e2f736ad-4b58-4280-8871-b741b553a365" /> **After** <img width="782" height="263" alt="Screenshot 2025-08-26 at 10 27 53 AM" src="https://github.com/user-attachments/assets/5f3cdd8a-7b34-4270-9fc1-255bf2fadb03" /> Thanks for your work!