root/pypi: links for pymechanics

root/pypi pymechanics-0.2.0.tar.gz
root/pypi pymechanics-0.2.0-py3-none-any.whl
root/pypi pymechanics-0.0.1.tar.gz
root/pypi pymechanics-0.0.1-py3-none-any.whl