Update app.py

app.py

@@ -159,3 +159,7 @@ if st.session_state.df is not None:
     temp_dir.cleanup()
 else:
     st.info("Please load a dataset to proceed.")
+
+st.markdown("---")
+st.markdown("### Reference")
+st.markdown("[SQL Agents w CrewAI and Llama 3 -Plaban Nayak](https://github.com/plaban1981/Agents/blob/main/SQL_Agents_with_CrewAI_and_Llama_3.ipynb)")