Add get_config in groq_client.py file

giskard/llm/client/groq_client.py

@@ -39,7 +39,14 @@ def __init__(
         logger.info(f"Initializing GroqClient with model: {model}")
         self.model = model
         self._client = client or Groq()
-        logger.info("GroqClient initialized successfully")
+        logger.info("GroqClient initialized successfully")    
+
+    def get_config(self) -> dict:
+        """Return the configuration of the LLM client."""
+        return {
+            "client_type": self.__class__.__name__,
+            "model": self.model
+        }
 
     def complete(
         self,
@@ -89,4 +96,4 @@ def complete(
 
         msg = completion.choices[0].message
 
-        return ChatMessage(role=msg.role, content=msg.content)
+        return ChatMessage(role=msg.role, content=msg.content)