root/pypi: links for checkerboard

root/pypi checkerboard-0.2.4-py3-none-any.whl
root/pypi checkerboard-0.2.3-py3-none-any.whl
root/pypi checkerboard-0.2.2-py3-none-any.whl
root/pypi checkerboard-0.2.1-py3-none-any.whl
root/pypi checkerboard-0.2.0-py3-none-any.whl
root/pypi checkerboard-0.1.2-py3-none-any.whl
root/pypi checkerboard-0.1.1-py3-none-any.whl
root/pypi checkerboard-0.1.0-py3-none-any.whl