loongson/pypi: links for kantonzugpdf

loongson/mirror kantonzugpdf-0.3.1.tar.gz
loongson/mirror kantonzugpdf-0.3.tar.gz
loongson/mirror kantonzugpdf-0.2.1.tar.gz
loongson/mirror kantonzugpdf-0.2.tar.gz
loongson/mirror kantonzugpdf-0.1.2.tar.gz
loongson/mirror kantonzugpdf-0.1.1.tar.gz
loongson/mirror kantonzugpdf-0.1.0.tar.gz