root/pypi: links for rstk

root/pypi rstk-0.1.3.tar.gz
root/pypi rstk-0.1.3-py3-none-any.whl
root/pypi rstk-0.1.3a0.tar.gz
root/pypi rstk-0.1.3a0-py3-none-any.whl
root/pypi rstk-0.1.2-py3-none-any.whl
root/pypi rstk-0.1.1-py3-none-any.whl