Show "Export to Google Calendar" button on the Order Delivery Date -> Delivery Calendar page.<br><i>Note: This button can be used to export the already placed orders with future deliveries from the current date to the calendar used above.</i><br><b><i>Upgrade to <a href="https://www.tychesoftwares.com/store/premium-plugins/order-delivery-date-for-woocommerce-pro-21/?utm_source=ordddupgradetopro&utm_medium=link&utm_campaign=OrderDeliveryDateLite" target="_blank">Order Delivery Date Pro for WooCommerce</a> to enable the setting.</i></b>