root/pypi: links for npc-protocol

root/pypi npc_protocol-0.2.0.tar.gz
root/pypi npc_protocol-0.2.0-py3-none-any.whl
root/pypi npc_protocol-0.1.0.tar.gz
root/pypi npc_protocol-0.1.0-py3-none-any.whl