cooperative-market/beesdoo_product/views/assets.xml

<?xml version="1.0" encoding="utf-8"?>
<odoo>
    <template id="assets_frontend" inherit_id="point_of_sale.assets">
        <xpath expr="." position="inside">
            <script type="text/javascript"
                    src="/beesdoo_product/static/src/js/models.js"/>
        </xpath>
    </template>
</odoo>