accept tips or donations at woocommerce cart and checkout1 add a donate button to woocommerce cart and checkout1 add donation or tip option in woocommerce cart and checkout1 allow customers to donate or tip at woocommerce cart and checkout1 donation or tip widget for woocommerce cart and checkout1 ecommerce1 enable customers to make a donation or tip during woocommerce cart and checkout1 enable tipping feature in woocommerce cart and checkout1 enable voluntary contributions in woocommerce cart and checkout1 enhance cart and checkout experience with donation feature in woocommerce1 seamless donation integration for woocommerce cart and checkout1 woocommerce cart and checkout charity contribution option1 woocommerce cart and checkout donation plugin1 woocommerce cart and checkout tip jar feature1 woocommerce donation functionality for cart and checkout1