add pro tip

app_dialogue.py

@@ -477,6 +477,11 @@ with gr.Blocks(title="IDEFICS Playground", theme=gr.themes.Base()) as demo:
                 inputs=decoding_strategy,
                 outputs=top_p,
             )
+            gr.Markdown(
+                """*Pro tip*: You can input an arbitrary number of images in the same text message.
+                For this, you will need to input each image with its URL with the syntax `<fake_token_around_image><image:IMAGE_URL><fake_token_around_image>`.
+                For example, for two images, you could input `TEXT_1<fake_token_around_image><image:IMAGE_URL_1><fake_token_around_image>TEXT_2<fake_token_around_image><image:IMAGE_URL_2><fake_token_around_image>TEXT_3...`."""
+            )
 
     def model_inference(
         model_selector,