add duplicate spaces badge

app.py

@@ -28,8 +28,12 @@ iface = gr.Interface(
     outputs=gr.Text(label="Caption output"),
     title="CoCa: Contrastive Captioners",
     description=(
-        "An open source implementation of **CoCa: Contrastive Captioners are Image-Text Foundation Models** https://arxiv.org/abs/2205.01917. "
-        "Built using [open_clip](https://github.com/mlfoundations/open_clip) with an effort from [LAION](https://laion.ai/)."
+         """<p>An open source implementation of **CoCa: Contrastive Captioners are Image-Text Foundation Models** https://arxiv.org/abs/2205.01917.</p><br/>
+        <p>Built using [open_clip](https://github.com/mlfoundations/open_clip) with an effort from [LAION](https://laion.ai/).</p><br/>
+        <p>For faster inference without waiting in queue, you may duplicate the space and upgrade to GPU in settings.<br/>
+<a href="https://huggingface.co/spaces/laion/CoCa?duplicate=true">
+<img style="margin-top: 0em; margin-bottom: 0em" src="https://bit.ly/3gLdBN6" alt="Duplicate Space"></a>
+</p>"""
     ),
     examples=[path.as_posix() for path in paths],
 )