loongson/pypi: links for dsigma

loongson/mirror dsigma-1.1.0.tar.gz
loongson/mirror dsigma-1.0.1.tar.gz
loongson/mirror dsigma-1.0.0.tar.gz
loongson/mirror dsigma-0.7.2.tar.gz
loongson/mirror dsigma-0.7.1.tar.gz
loongson/mirror dsigma-0.7.0.tar.gz
loongson/mirror dsigma-0.6.1.tar.gz
loongson/mirror dsigma-0.6.0.tar.gz
loongson/mirror dsigma-0.5.0.tar.gz