Harden public JSON lab access

app.py

@@ -251,4 +251,4 @@ with gr.Blocks(theme=gr.themes.Citrus(), title="Ideogram 4 JSON Lab", css=CSS) a
         outputs=[out_image, seed, out_caption, out_text],
     )
 
-demo.launch()
+demo.queue(api_open=False, max_size=8, default_concurrency_limit=1).launch(footer_links=["settings"])