gituser/pypi: links for demand-model

gituser/pypi demand_model-0.2.0.tar.gz
gituser/pypi demand_model-0.2.0-py3-none-any.whl
gituser/pypi demand_model-0.1.0.tar.gz
gituser/pypi demand_model-0.1.0-py3-none-any.whl