Add python websocket api (#960)

zhaomingwork

2023-09-18 6761eb3efa625b8611a642e793dbdb5a29af5a84

 egs_modelscope/vad/TEMPLATE/README.md

@@ -24,7 +24,7 @@
#### [FSMN-VAD-online model](https://modelscope.cn/models/damo/speech_fsmn_vad_zh-cn-16k-common-pytorch/summary)
```python
inference_pipeline = pipeline(
    task=Tasks.auto_speech_recognition,
    task=Tasks.voice_activity_detection,
    model='damo/speech_fsmn_vad_zh-cn-16k-common-pytorch',
    )
import soundfile