[speechx] rm to_float32 flags, default feature fbank

[asr][server]streaming asr server add time stamp

[speechx] add fbank run script

[asr] add asr1 config comment

[asr][server]join streaming asr and punc server

[vec][server]add vector server

[speechx] fix copyright issue

fix #1839

[speechx] align fbank with paddleaudio