loongson/pypi: links for relativity

loongson/mirror relativity-20.1.0.tar.gz
loongson/mirror relativity-20.1.0-py2.py3-none-any.whl
loongson/mirror relativity-19.12.1.tar.gz
loongson/mirror relativity-0.2.0.tar.gz
loongson/mirror relativity-0.2.0-py2-none-any.whl
loongson/mirror relativity-0.1.dev0.zip
loongson/mirror relativity-0.1.dev0-py2-none-any.whl