root/pypi: links for preview-server

root/pypi preview_server-0.2a3.tar.gz
root/pypi preview_server-0.2a3-py3-none-any.whl
root/pypi preview_server-0.2a2.tar.gz
root/pypi preview_server-0.2a2-py3-none-any.whl
root/pypi preview_server-0.2a1.tar.gz
root/pypi preview_server-0.2a1-py3-none-any.whl
root/pypi preview_server-0.2a0.tar.gz
root/pypi preview_server-0.2a0-py3-none-any.whl
root/pypi preview_server-0.1a0.tar.gz
root/pypi preview_server-0.1a0-py3-none-any.whl