public function registerDoctor(RegisterDoctorRequest $request)
 {
     $doctor = new User();
     $doctor->name = $request->name;
     $doctor->email = $request->email;
     $doctor->password = $request->password;
     $doctor->specialization_id = $request->specialization_id;
     $doctor->license_number = $request->license_number;
     $doctor->confirmed = 1;
     $doctor->save();
     //Attach new roles
     $doctor->attachRoles([3]);
     //Attach other permissions
     $doctor->attachPermissions([24]);
     return redirect()->back()->withFlashSuccess('Entry Saved!');
 }