loongson/pypi: links for sveetchies

loongson/mirror Sveetchies-1.8.9.4.tar.gz
loongson/mirror Sveetchies-1.8.9.3.tar.gz
loongson/mirror Sveetchies-1.8.9.2.tar.gz
loongson/mirror Sveetchies-1.8.9.1.tar.gz
loongson/mirror Sveetchies-1.8.9.tar.gz