refactor: polish information

app.py

@@ -41,6 +41,11 @@ def get_alfred_from_dataframe(ecg_id):
 
 
 with gr.Blocks() as demo:
+    with gr.Row():
+        ecg_id_output = gr.Textbox(
+            "It takes about 10 seconds to load the PTB-XL table. Please wait for a moment. \nWhen you select the ECG to analyze from the PTB-XL table below, Alfred will begin the analysis.",
+            label="Information",
+        )
     with gr.Row():
         gr_df = gr.Dataframe(
             value=ptbxl_df,