Add note about stopped Modal server in Gradio UI

app.py

@@ -109,6 +109,15 @@ def gradio_ui():
 
     with gr.Blocks() as demo:
 
+        with gr.Tab("CLOSED"):
+            gr.Markdown(
+                # fmt: off
+                "⚠️**Note:**  <br>"
+                "The Modal server used in this project has been stopped.  <br>"
+                "If you would like to run it yourself, please clone this project via git and follow the instructions in the README.md to set up and run it."
+                # fmt: on
+            )
+
         with gr.Tab("Chat"):
             # Title
             with gr.Row():