loongson/pypi: links for antigrav

loongson/mirror antigrav-1.1.1.1.1.tar.gz
loongson/mirror antigrav-1.1.1.1.tar.gz
loongson/mirror antigrav-1.1.1.tar.gz
loongson/mirror antigrav-1.1.tar.gz
loongson/mirror antigrav-1.0.tar.gz
loongson/mirror antigrav-0.tar.gz