added gemini too

orchestrator_functions.py

@@ -318,7 +318,7 @@ def langchain_csv_chart(csv_url: str, question: str, chart_required: bool):
                 return_intermediate_steps=True
             )
 
-            result = agent.invoke({"input": _prompt_generator(question, True)})
+            result = agent.invoke({"input": _prompt_generator(f"{question} and use this csv_url: {csv_url} to read the csv file", True)})
             output = result.get("output", "")
 
             # Verify chart file creation