loongson/pypi: links for btrfsgit

loongson/mirror BtrFsGit-9000.0.2.tar.gz
loongson/mirror BtrFsGit-9000.0.2-py3-none-any.whl
loongson/mirror BtrFsGit-9000.0.1.tar.gz
loongson/mirror BtrFsGit-9000.0.1-py3-none-any.whl
loongson/mirror BtrFsGit-90.0.0.tar.gz
loongson/mirror BtrFsGit-90.0.0-py3-none-any.whl
loongson/mirror BtrFsGit-0.0.9.tar.gz
loongson/mirror BtrFsGit-0.0.9-py3-none-any.whl