loongson/pypi: links for shallowwaterflux

loongson/mirror shallowWaterFlux-2.1.tar.gz
loongson/mirror shallowWaterFlux-2.0.tar.gz
loongson/mirror shallowWaterFlux-1.2.tar.gz
loongson/mirror shallowWaterFlux-1.1.tar.gz
loongson/mirror shallowWaterFlux-1.0.tar.gz