loongson/pypi: links for polygraphs

loongson/mirror polygraphs-0.0.23a0-py3-none-any.whl
loongson/mirror polygraphs-0.0.21a0-py3-none-any.whl
loongson/mirror polygraphs-0.0.2a0-py3-none-any.whl
loongson/mirror polygraphs-0.0.1a0.tar.gz
loongson/mirror polygraphs-0.0.1a0-py3-none-any.whl