loongson/pypi: links for das7pad-dns-lexicon

loongson/mirror das7pad-dns-lexicon-3.5.1.post1.tar.gz
loongson/mirror das7pad-dns-lexicon-3.3.27.post4.tar.gz
loongson/mirror das7pad-dns-lexicon-3.3.27.post3.tar.gz
loongson/mirror das7pad-dns-lexicon-3.3.27.post2.tar.gz
loongson/mirror das7pad-dns-lexicon-3.3.27.post1.tar.gz
loongson/mirror das7pad-dns-lexicon-3.3.27.tar.gz
loongson/mirror das7pad-dns-lexicon-3.3.12.tar.gz