loongson/pypi: links for yafem

loongson/mirror yafem-1.0.0.tar.gz
loongson/mirror yafem-1.0.0-py3-none-any.whl
loongson/mirror yafem-0.2.11.tar.gz
loongson/mirror yafem-0.2.11-py3-none-any.whl