provide
Provides an instance of RegisterUseCase using the specified StudyPlanetRepository.
This function creates and returns an instance of RegisterUseCase by injecting the required StudyPlanetRepository. The RegisterUseCase is responsible for handling the user registration functionality using the provided repository.
Return
An instance of RegisterUseCase for managing user registration.
Parameters
repo
The StudyPlanetRepository instance used for handling user registration functionality.