How To Add Custom Button In Odoo18 in Point Of Sale and also How To work In Odoo 18 Js

How To Add Custom Button In Odoo18 in Point Of Sale and also How To work In Odoo 18 Js #odoo18 Javascript #odoo18 point of sale website: https://www.zaperp.in company : Zaperp Private Limited github link : https://github.com/arunpanwar9/odoo18_pos