loongson/pypi: links for seu3d-tool

loongson/mirror seu3d_tool-0.1.6.tar.gz
loongson/mirror seu3d_tool-0.1.6-py3-none-any.whl
loongson/mirror seu3d_tool-0.1.5.tar.gz
loongson/mirror seu3d_tool-0.1.5-py3-none-any.whl
loongson/mirror seu3d_tool-0.1.4.tar.gz
loongson/mirror seu3d_tool-0.1.4-py3-none-any.whl