loongson/pypi: links for seq2neo

loongson/mirror Seq2Neo-2.1.1.tar.gz
loongson/mirror Seq2Neo-2.1.1-py3-none-any.whl
loongson/mirror Seq2Neo-1.1.tar.gz
loongson/mirror Seq2Neo-1.1-py3-none-any.whl