* fix asr infer.py

* add readme.

* librispeech hubert, test=asr

* librispeech hubert, test=asr

* hubert decode

* review

* copyright, notes, example related

* hubert cli

* pre-commit format

* fix conflicts

* fix conflicts

* doc related

* doc and train config

* librispeech.py

* support hubert cli

This reverts commit 6e0044be.

*merge develop into speechx

* add asr code-switch cli and demo.

* fix some model named problem.

* BytesIO类型时，要保证切到初始位置，这样多次读取才能够正常。比如__call__函数。
__call__函数的参数audio_file为BytesIO类型时执行到self.preprocess(model, audio_file)会报错，需要判断audio_file为BytesIO类型时执行audio_file.seek(0)。