loongson/pypi: links for dvcr

loongson/mirror dvcr-0.4.0-py3-none-any.whl
loongson/mirror dvcr-0.3.0-py3-none-any.whl
loongson/mirror dvcr-0.2.0-py3-none-any.whl
loongson/mirror dvcr-0.1-py3-none-any.whl