async fn save_course_settings(
    pool: Data<PgPool>,
    course_instance_id: Path<Uuid>,
    payload: Json<SaveCourseSettingsPayload>,
    user: AuthUser
) -> ControllerResult<Json<CourseInstanceEnrollment>>
Expand description

POST /api/v0/course-material/course-instance/:course_instance_id/save-course-settings - enrolls user to the course instance and save background questions.