loongson/pypi: links for pystack3d

loongson/mirror pystack3d-2025.3.tar.gz
loongson/mirror pystack3d-2025.3-py3-none-any.whl
loongson/mirror pystack3d-2025.2.tar.gz
loongson/mirror pystack3d-2025.2-py3-none-any.whl
loongson/mirror pystack3d-2025.1.tar.gz
loongson/mirror pystack3d-2025.1-py3-none-any.whl
loongson/mirror pystack3d-2024.2.tar.gz
loongson/mirror pystack3d-2024.2-py3-none-any.whl
loongson/mirror pystack3d-2024.1.tar.gz
loongson/mirror pystack3d-2024.1-py3-none-any.whl