loongson/pypi: links for demo-orifice-calc

loongson/mirror demo_orifice_calc-1.0.1.tar.gz
loongson/mirror demo_orifice_calc-1.0.1-py3-none-any.whl
loongson/mirror demo_orifice_calc-1.0.0.tar.gz
loongson/mirror demo_orifice_calc-1.0.0-py3-none-any.whl