Create Multi Admin System Login

Create new multi admin login for managing multiple companies. Created user will have System rights.
Admin login DOESN'T HAVE EMPLOYEE ROLE AND CAN'T BE USED FOR PAYROLL CALCULATIONS.
Admin login DOESN'T HAVE FULL SYSTEM ROLE AND CAN'T MANAGE OTHER MULTI ADMIN USERS.
You can call Add New Employee endpoint instead of this endpoint or you can call it later. System then connect Admin and Employee accounts together.
Pairing is done via email address comparison.

This endpoint can be called only by Full System level users.

Multi Admin, Company Admin and Employee call will return Forbidden result.