loongson/pypi: links for crenv

loongson/mirror crenv-0.1.2.tar.gz
loongson/mirror crenv-0.1.2-py3-none-any.whl
loongson/mirror crenv-0.1.1-py2-none-any.whl
loongson/mirror crenv-0.1.0-py2-none-any.whl