root/pypi: links for coremltools-windows

root/pypi coremltools_windows-2.1.0-cp37-none-win_amd64.whl
root/pypi coremltools_windows-2.1.0-cp36-none-win_amd64.whl
root/pypi coremltools_windows-2.1.0-cp35-none-win_amd64.whl
root/pypi coremltools_windows-2.0b1-cp37-none-win_amd64.whl
root/pypi coremltools_windows-2.0b1-cp36-none-win_amd64.whl
root/pypi coremltools_windows-2.0b1-cp35-none-win_amd64.whl