loongson/pypi: links for sharpener

loongson/mirror sharpener-1.0.8.tar.gz
loongson/mirror sharpener-1.0.7.tar.gz
loongson/mirror sharpener-1.0.6.tar.gz
loongson/mirror sharpener-1.0.4.tar.gz
loongson/mirror sharpener-1.0.3.tar.gz