xuning / sherpaonnx

* adding ebranchformer encoder

* extend surfaced FeatureExtractorConfig

- so ebranchformer feature extraction can be configured from Python
- the GlobCmvn is not needed, as it is a module in the OnnxEncoder

* clean the code

* Integrating remarks from Fangjun

Otherwise, it spends lots of time in the loop if the EOT token
is not predicted.

Co-authored-by: liyuzhi <liyuzhi@info.easeus.com.cn>

Co-authored-by: liyuzhi <liyuzhi@info.easeus.com.cn>

Co-authored-by: wanghsinche <wanghsinche>

还钱 is mispronounced.