add duplicate spaces badge

app.py

@@ -36,7 +36,8 @@ iface = gr.Interface(shot,
                     examples=[["festival.jpg", "灯笼, 鞭炮, 对联", "ViT/B-16"], 
                               ["cat-dog-music.png", "音乐表演, 体育运动", "ViT/B-16"],
                               ["football-match.jpg", "梅西, C罗, 马奎尔", "ViT/B-16"]],
-                    description="Add a picture and a list of labels separated by commas",
+                    description="""<p>Add a picture and a list of labels separated by commas.
+                   You can duplicating this space and run it privately: <a style='display:inline-block' href='https://huggingface.co/spaces/OFA-Sys/chinese-clip-zero-shot-image-classification?duplicate=true'><img src='https://img.shields.io/badge/-Duplicate%20Space-blue?labelColor=white&style=flat&logo=data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAAAXNSR0IArs4c6QAAAP5JREFUOE+lk7FqAkEURY+ltunEgFXS2sZGIbXfEPdLlnxJyDdYB62sbbUKpLbVNhyYFzbrrA74YJlh9r079973psed0cvUD4A+4HoCjsA85X0Dfn/RBLBgBDxnQPfAEJgBY+A9gALA4tcbamSzS4xq4FOQAJgCDwV2CPKV8tZAJcAjMMkUe1vX+U+SMhfAJEHasQIWmXNN3abzDwHUrgcRGmYcgKe0bxrblHEB4E/pndMazNpSZGcsZdBlYJcEL9Afo75molJyM2FxmPgmgPqlWNLGfwZGG6UiyEvLzHYDmoPkDDiNm9JR9uboiONcBXrpY1qmgs21x1QwyZcpvxt9NS09PlsPAAAAAElFTkSuQmCC&logoWidth=14' alt='Duplicate Space'></a></p>""",
                     title="Zero-shot Image Classification")
 
 iface.launch()