gituser/pypi: links for single-instance

gituser/pypi single-instance-0.1.2.tar.gz
gituser/pypi single_instance-0.1.2-py3-none-any.whl
gituser/pypi single-instance-0.1.1.tar.gz
gituser/pypi single_instance-0.1.1-py3-none-any.whl