post https://api.bewe.io/v1/providers/
Creates a new provider in the system using the provided details.
The request body must include the provider's name and may include additional information such as phone number, address, city, NIF, contact person, contact phone, notification email, and order permissions. Upon successful creation, the endpoint returns the newly created provider with all stored fields and identifiers. This endpoint is typically used to register new suppliers or business partners, ensuring they are available for product orders and other operations.