root/pypi: links for nikol

root/pypi nikol-0.3.1.tar.gz
root/pypi nikol-0.3.1-py2.py3-none-any.whl
root/pypi nikol-0.3.0.tar.gz
root/pypi nikol-0.3.0-py3.8.egg
root/pypi nikol-0.3.0-py2.py3-none-any.whl
root/pypi nikol-0.2.2-py2.py3-none-any.whl