This can be used to generate static code for google protobuf.
usage: python gen-protoc.py [options]
-s, --src proto source dir.
-d, --dest destination dir.
-l, --lanuage complie target lanuage, support js, ts, go, dart, cpp, objc, csharp, java, kotlin, python, ruby, php
-bundle bundle name, only support ts or js, deafult: protos