loongson/pypi: links for metaclean

loongson/mirror metaClean-0.5.0.tar.gz
loongson/mirror metaClean-0.5.0-py3-none-any.whl
loongson/mirror metaClean-0.4.3.tar.gz
loongson/mirror metaClean-0.4.3-py3-none-any.whl
loongson/mirror metaClean-0.4.2.tar.gz
loongson/mirror metaClean-0.4.2-py3-none-any.whl