update UI

app.py

@@ -549,8 +549,12 @@ with gr.Blocks() as demo:
         title="STLA BABY - YOUR FRIENDLY GUIDE",
         description= "v0.3: Powered by MECH Core Team",   
     )
-    upload_button = gr.UploadButton("Upload File", file_count="multiple")
-    logs = gr.Textbox()
+    with gr.Row():
+        upload_button = gr.UploadButton("Upload To DB", file_count="multiple")
+        upload_file_button = gr.UploadButton("Upload File", file_count="single")
+    with gr.Accordion():
+        # logs = gr.Textbox()
+        logs = gr.Markdown()
     upload_button.upload(func_upload_file, [upload_button, main.chatbot], main.chatbot)
     demo.load(read_logs, None, logs, every=0.5)