loongson/pypi: links for protobuf-init

loongson/mirror protobuf-init-0.3.0.tar.gz
loongson/mirror protobuf_init-0.3.0-py3-none-any.whl
loongson/mirror protobuf-init-0.2.0.tar.gz
loongson/mirror protobuf_init-0.2.0-py3-none-any.whl
loongson/mirror protobuf-init-0.1.2.tar.gz
loongson/mirror protobuf_init-0.1.2-py3-none-any.whl
loongson/mirror protobuf-init-0.1.1.tar.gz
loongson/mirror protobuf_init-0.1.1-py3-none-any.whl
loongson/mirror protobuf-init-0.1.0.tar.gz
loongson/mirror protobuf_init-0.1.0-py3-none-any.whl