added more order struct details

snipcart/snipcart.go

@@ -67,6 +67,9 @@ type SnipcartOrder struct {
 	TrackingNumber   string         `json:"trackingNumber"`
 	TrackingUrl      string         `json:"trackingUrl"`
 	ShippingCost     float64        `json:"shippingFees"`
+	ShippingProvider string         `json:"shippingProvider,omitempty"`
+	ShippingMethod   string         `json:"shippingMethod,omitempty"`
+	ShippingRate     string         `json:"shippingRateUserDefinedId,omitempty"`
 	Items            []SnipcartItem `json:"items"`
 	Metadata         any            `json:"metadata"`
 }