feat: Update library (#42)

Co-authored-by: ProcessOut Fountain <internal@processout.com>

Author: wojciech-niedbala-cko

lib/index.d.ts

@@ -37,6 +37,9 @@ import InvoiceShippingPhone = require('./invoiceshippingphone');
 import InvoiceBilling = require('./invoicebilling');
 import UnsupportedFeatureBypass = require('./unsupportedfeaturebypass');
 import InvoiceDetail = require('./invoicedetail');
+import InvoiceSubmerchant = require('./invoicesubmerchant');
+import SubmerchantPhoneNumber = require('./submerchantphonenumber');
+import SubmerchantAddress = require('./submerchantaddress');
 import CustomerAction = require('./customeraction');
 import DunningAction = require('./dunningaction');
 import Payout = require('./payout');
@@ -117,6 +120,9 @@ export { InvoiceShippingPhone };
 export { InvoiceBilling };
 export { UnsupportedFeatureBypass };
 export { InvoiceDetail };
+export { InvoiceSubmerchant };
+export { SubmerchantPhoneNumber };
+export { SubmerchantAddress };
 export { CustomerAction };
 export { DunningAction };
 export { Payout };