loongson/pypi: links for joker-xopen

loongson/mirror joker-xopen-0.5.0.tar.gz
loongson/mirror joker-xopen-0.4.tar.gz
loongson/mirror joker-xopen-0.3.tar.gz
loongson/mirror joker-xopen-0.2.tar.gz
loongson/mirror joker_xopen-0.1-py3-none-any.whl