[ACTION] Returnless - expand functionality

[seynadio]

For Neople :)
Is there a specific app this action is for?
Returnless

Please provide a link to the relevant API docs for the specific service / operation.
https://docs.returnless.com/docs/api-rest-reference/4a6a8fe812c44-retrieve-a-sales-order

Retrieve sales order - GET https://api-v2.returnless.com/2025-01/sales-orders/{salesOrder}
Retrieve return order - GET https://api-v2.returnless.com/2025-01/return-orders/{returnOrder}
List shipments of a return order - GET https://api-v2.returnless.com/2025-01/return-orders/{returnOrder}/shipments
List return statuses - GET https://api-v2.returnless.com/2025-01/return-statuses
Retrieve return status - GET https://api-v2.returnless.com/2025-01/return-statuses/{returnStatus}
List shipments - GET https://api-v2.returnless.com/2025-01/shipments
List shipment - GET https://api-v2.returnless.com/2025-01/shipments/{shipment}
Get statuses of a shipment - GET https://api-v2.returnless.com/2025-01/shipments/{shipment}/status
List return address - GET https://api-v2.returnless.com/2025-01/return-addresses/{returnAddress}
Update a return address - GET https://api-v2.returnless.com/2025-01/return-addresses/{returnAddress}
List all customers - GET https://api-v2.returnless.com/2025-01/customers
Retrieve a customer - GET https://api-v2.returnless.com/2025-01/customers/{customer}
List all return orders of a customer - GET https://api-v2.returnless.com/2025-01/customers/{customer}/return-orders