root/pypi: links for cmd2-submenu

root/pypi cmd2-submenu-0.3.0.tar.gz
root/pypi cmd2_submenu-0.3.0-py3-none-any.whl
root/pypi cmd2-submenu-0.2.0.tar.gz
root/pypi cmd2_submenu-0.2.0-py3-none-any.whl