loongson/mirror: links for oemof-datapackage

loongson/mirror oemof_datapackage-0.0.6b3.tar.gz
loongson/mirror oemof_datapackage-0.0.6b3-py2.py3-none-any.whl
loongson/mirror oemof_datapackage-0.0.6b2.tar.gz
loongson/mirror oemof_datapackage-0.0.6b2-py2.py3-none-any.whl