loongson/pypi: links for dtwsom

loongson/mirror DtwSom-1.0.tar.gz
loongson/mirror DtwSom-0.3.tar.gz
loongson/mirror DtwSom-0.2.3.tar.gz
loongson/mirror DtwSom-0.2.2.tar.gz
loongson/mirror DtwSom-0.2.1.tar.gz
loongson/mirror DtwSom-0.2.tar.gz
loongson/mirror DtwSom-0.1.tar.gz