* support vad ios compile

* support onnx model recognize

* add build ios sh

* rename speechx

* fix wfst decode error

* replace reset with make_unique

* fix nnet thread crash && rescore cost time

* add nnet thread main

* rm openblas && refactor kaldi-matrix kaldi-vector

* replace kaldi-fbank with kaldi-native-fbank

* make kaldi-native-fbank work

* refactor directory