loongson/pypi: links for frasco-invoicing

loongson/mirror frasco-invoicing-0.2.3.tar.gz
loongson/mirror frasco-invoicing-0.2.2.tar.gz
loongson/mirror frasco-invoicing-0.2.1.tar.gz
loongson/mirror frasco-invoicing-0.2.tar.gz
loongson/mirror frasco-invoicing-0.1.tar.gz