Update app.py

app.py

@@ -107,3 +107,6 @@ st.sidebar.subheader("Example Questions")
 st.sidebar.write("- Add 3 and 4. Multiply the result by 2. Divide it by 5.")
 st.sidebar.write("- Tell me how many centuries Virat Kohli scored.")
 st.sidebar.write("- Search for the tallest building in the world.")
+
+st.sidebar.title("References")
+st.sidebar.markdown("1. [Multi-Agent with Supervisor](https://github.com/aritrasen87/LLM_RAG_Model_Deployment/blob/main/LangGraph_03_MultiAgent_With_Supervisor.ipynb)")