[Export] support gpu inference

wanchen.swc

2023-03-30 cfc4d402093060fe087424b0a6be4e2b2546eae8

 .gitignore

@@ -7,4 +7,6 @@
init_model/
*.tar.gz
test_local/
RapidASR
RapidASR
export/*
*.pyc