update readme

Author: Yuan Gong

README.md

@@ -11,7 +11,9 @@
 ## Introduction
 
 [**[Paper]**](https://arxiv.org/pdf/2307.03183.pdf)
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 [**[Interactive Demo (try without coding)]**](https://c916b4a5ed75eac733.gradio.live)
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 [**[Colab Demo]**](https://colab.research.google.com/drive/1BbOGWCMjkOlOY5PbEMGk5RomRSqMcy_Q?usp=sharing)
 
 [**[Local Notebook Demo]**(for user without Colab access)](https://github.com/YuanGongND/whisper-at/blob/main/sample/whisper_at_demo.ipynb)