post https://prod1.serveture.com/public-api/create_welcome_smartlink/
Creates or recreates the welcome smartlink for workers, returning a unique smartlink per worker to automatically download the WorkN app and log in.
A smartlink can be sent out and used by the corresponding worker to automatically download the WorkN app and log in. As these links are specific to each worker and automatically log them in, it is crucial to ensure that the correct link is sent to the correct worker. There is a limit of 100 workers per call.