root/pypi: links for marshmallow-muffin

root/pypi marshmallow-muffin-3.1.2.tar.gz
root/pypi marshmallow-muffin-3.1.1.tar.gz
root/pypi marshmallow-muffin-3.1.0.tar.gz
root/pypi marshmallow-muffin-3.0.1.tar.gz
root/pypi marshmallow-muffin-3.0.0.tar.gz