root/pypi: links for stitching-headless

root/pypi stitching_headless-0.6.1.tar.gz
root/pypi stitching_headless-0.6.1-py3-none-any.whl
root/pypi stitching_headless-0.5.4.tar.gz
root/pypi stitching_headless-0.5.4-py3-none-any.whl