loongson/pypi: links for positional

loongson/mirror positional-1.2.1.tar.gz
loongson/mirror positional-1.1.2.tar.gz
loongson/mirror positional-1.1.1.tar.gz
loongson/mirror positional-1.1.0.tar.gz
loongson/mirror positional-1.0.1.tar.gz
loongson/mirror positional-1.0.0.tar.gz