loongson/pypi: links for meancalculation

loongson/mirror meanCalculation-6.0.tar.gz
loongson/mirror meanCalculation-5.0.tar.gz
loongson/mirror meanCalculation-4.0.tar.gz
loongson/mirror meanCalculation-3.0.tar.gz
loongson/mirror meanCalculation-2.0.tar.gz
loongson/mirror meanCalculation-0.0.tar.gz