Small modification on Python code (Custom LLM)

Hi there,

I need you to modify the code of this Python program.
Link: https://replit.com/@jannismoore/Vapi-Custom-LLM

Task:
- Replace OpenAI by Groq
- Provide the entire code in the .zip format

Groq documentation:
https://console.groq.com/docs/quickstart

API Key:
I'll provide an API Key once the mission will be accepted

Delivery:
Today or tomorrow maximum