Add extra documentation

scripts/llm_utils.py

@@ -6,6 +6,7 @@ openai.api_key = cfg.openai_api_key
 
 # Overly simple abstraction until we create something better
 def create_chat_completion(messages, model=None, temperature=None, max_tokens=None)->str:
+    """Create a chat completion using the OpenAI API."""
     response = openai.ChatCompletion.create(
         model=model,
         messages=messages,