details are listed below:
1. updated `git lfs` command in `export-onnx.py` and `onnx_pretrained-streaming.py`;
2. added rounding code to `export.py` for case where `params.avg == 1`.
* copy files
* update train.py
* small fixes
* Add decode.py
* Fix dataloader in decode.py
* add blank penalty
* Add blank-penalty to other decoding method
* Minor fixes
* add zipformer2 recipe
* Minor fixes
* Remove pruned7
* export and test models
* Replace bpe with tokens in export.py and pretrain.py
* Minor fixes
* Minor fixes
* Minor fixes
* Fix export
* Update results
* Fix zipformer-ctc
* Fix ci
* Fix ci
* Fix CI
* Fix CI
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Co-authored-by: Fangjun Kuang <csukuangfj@gmail.com>
