Add arxiv paper link

app.py

@@ -72,6 +72,7 @@ with gr.Blocks() as demo:
     gr.Markdown(
         """
         # Amphion Singing Voice Conversion: *DiffWaveNetSVC*
+        [![arXiv](https://img.shields.io/badge/arXiv-Paper-<COLOR>.svg)](https://arxiv.org/abs/2310.11160)
         This demo provides an Amphion [DiffWaveNetSVC](https://github.com/open-mmlab/Amphion/tree/main/egs/svc/MultipleContentsSVC) pretrained model for you to play. The training data has been detailed [here](https://huggingface.co/amphion/singing_voice_conversion).
         """
     )