Update app.py

app/app.py

@@ -20,10 +20,12 @@ with st.container():
         st.session_state.welcome_message = welcome_message()
         st.write(stream_data(st.session_state.welcome_message))
         time.sleep(0.5)
+        st.caption("There is a demo vedio on GitHub")
         st.write("[Github > ](https://github.com/Wilson-ZheLin/Streamline-Analyst)")
         st.session_state.initialized = False
     else:
         st.write(st.session_state.welcome_message)
+        st.caption("There is a demo vedio on GitHub")
         st.write("[Github > ](https://github.com/Wilson-ZheLin/Streamline-Analyst)")
 
 # INTRO SECTION