v0.2.1

1. Update for Whisper.cpp v1.8.0
2. Add get_version from whisper.cpp
3. Add init do not contain state

v0.2.0 Support VAD

1. Update for Whisper.cpp v1.7.6
2. Add VAD model support for detection
3. Add VAD within ASR inference
4. Add Verbose setting to disable log