loongson/mirror: links for indiansign

loongson/mirror IndianSign-0.1.2.tar.gz
loongson/mirror IndianSign-0.1.2-py3-none-any.whl
loongson/mirror IndianSign-0.1.0.tar.gz
loongson/mirror IndianSign-0.1.0-py3-none-any.whl