root/pypi: links for openflexure-stitching

root/pypi openflexure_stitching-0.1.0.tar.gz
root/pypi openflexure_stitching-0.1.0-py3-none-any.whl
root/pypi openflexure_stitching-0.1.0rc1.tar.gz
root/pypi openflexure_stitching-0.1.0rc1-py3-none-any.whl