Update app.py

app.py

@@ -5,6 +5,12 @@ import streamlit.components.v1 as components
 
 st.set_page_config(layout="wide")
 
+# Message for users
+st.markdown("""
+**Notice**: If you encounter any issues opening the demo or using the chatbot, 
+please report the issues [here](https://huggingface.co/spaces/mhan/Shot2Story/discussions/1).
+""")
+
 # List of backend URLs
 backends = ["backend1", "backend2", "backend3", "backend4"]