loongson/pypi: links for cross-doc

loongson/mirror cross-doc-0.2.0.tar.gz
loongson/mirror cross-doc-0.1.3.zip
loongson/mirror cross-doc-0.1.2.tar.gz
loongson/mirror cross-doc-0.1.1.zip
loongson/mirror cross-doc-0.1.0.zip
loongson/mirror cross-doc-0.0.2.zip
loongson/mirror cross-doc-0.0.1.tar.gz