chore: deprecate create_list function

tests/order_test.go

@@ -79,14 +79,14 @@ func (c *ClientTests) TestOrderLowestRate() {
 	lowestRate, err := client.LowestOrderRate(order)
 	require.NoError(err)
 	assert.Equal("GroundAdvantage", lowestRate.Service)
-	assert.Equal("5.93", lowestRate.Rate)
+	assert.Equal("11.33", lowestRate.Rate)
 	assert.Equal("USPS", lowestRate.Carrier)
 
 	// Test lowest rate with service filter (this rate is higher than the lowest but should filter)
 	lowestRate, err = client.LowestOrderRateWithCarrierAndService(order, nil, []string{"Priority"})
 	require.NoError(err)
 	assert.Equal("Priority", lowestRate.Service)
-	assert.Equal("6.95", lowestRate.Rate)
+	assert.Equal("13.79", lowestRate.Rate)
 	assert.Equal("USPS", lowestRate.Carrier)
 
 	// Test lowest rate with carrier filter (should error due to bad carrier)

tracker.go

@@ -155,6 +155,8 @@ func (c *Client) CreateTrackerWithContext(ctx context.Context, opts *CreateTrack
 
 // CreateTrackerList asynchronously creates multiple trackers.
 // Input a map of maps that contains multiple tracking codes
+//
+// Deprecated: Use the CreateTracker function instead. CreateTrackerList will be removed in a future release.
 func (c *Client) CreateTrackerList(param map[string]interface{}) (bool, error) {
 	// The data structure must look like the following when calling the API:
 	// {
@@ -172,6 +174,8 @@ func (c *Client) CreateTrackerList(param map[string]interface{}) (bool, error) {
 // CreateTrackerListWithContext performs the same operation as
 // CreateTrackerList, but allows specifying a context that can interrupt the
 // request.
+//
+// Deprecated: Use the CreateTracker function instead. CreateTrackerList will be removed in a future release.
 func (c *Client) CreateTrackerListWithContext(ctx context.Context, param map[string]interface{}) (bool, error) {
 	req := map[string]interface{}{"trackers": param}
 	// This endpoint does not return a response, so we return true here