loongson/pypi: links for cargo-rocker

loongson/mirror cargo_rocker-0.0.3.tar.gz
loongson/mirror cargo_rocker-0.0.3-py2.py3-none-any.whl
loongson/mirror cargo_rocker-0.0.2.tar.gz
loongson/mirror cargo_rocker-0.0.2-py2.py3-none-any.whl