loongson/mirror: links for nidec-inventory

loongson/mirror nidec_inventory-0.0b1.tar.gz
loongson/mirror nidec_inventory-0.0b1-py3-none-any.whl
loongson/mirror nidec_inventory-0.0a14.tar.gz
loongson/mirror nidec_inventory-0.0a14-py3-none-any.whl