Update Gradio_UI.py

Added markdown instructions

Gradio_UI.py

@@ -264,6 +264,10 @@ class GradioUI:
         with gr.Blocks(fill_height=True) as demo:
             stored_messages = gr.State([])
             file_uploads_log = gr.State([])
+            gr.Markdown("""
+                # Agente Lex
+                Escriba su solicitud...
+            """)
             chatbot = gr.Chatbot(
                 label="Lex",
                 type="messages",