root/pypi: links for kantan-kanban

root/pypi kantan_kanban-2026.2.1b1.tar.gz
root/pypi kantan_kanban-2026.2.1b1-py3-none-any.whl
root/pypi kantan_kanban-2026.2.0b1.tar.gz
root/pypi kantan_kanban-2026.2.0b1-py3-none-any.whl