loongson/pypi: links for odoo12-addon-purchase-products-only-from-vendors

loongson/mirror odoo12-addon-purchase_products_only_from_vendors-12.0.0.0.1.tar.gz
loongson/mirror odoo12_addon_purchase_products_only_from_vendors-12.0.0.0.1-py2.py3-none-any.whl