public function store(Request $request, Role_user $role_user)
 {
     Role_user::create($request->all());
     Flash::success('Role_user has been created successFully!');
     return Redirect::back();
 }
 public function store(Request $request, Role_user $role_user)
 {
     $role_user = Role_user::create($request->all());
     return response(['data' => $role_user, 'status' => 'success', 'message' => 'successfully created']);
 }