flutter pos3 pos addon3 quickro pos3 whatsapp storefront3 ecommerce integration2 laravel pos2 multi store2 retail software2 branded domain1 business automation1 business tools1 catalog sharing1 chat commerce1 custom domain1 custom url1 domain mapping1 ecommerce domain1 inventory management1 laravel storefront1 mobile storefront1 online ordering1 payment gateways1 pos system1 realtime sync1 sales automation1 store branding1 store portal1 storefront domain1 subdomain management1 warehouse management1