public function store(Request $request)
 {
     $this->validate($request, ['name' => 'required', 'email' => 'required', 'password' => 'required|confirmed']);
     $user = new User();
     $user->fill($request->all());
     $user->password = bcrypt($request->password);
     $user->save();
     $user->detachAllRoles();
     $user->attachRole(Role::find($request->role_id));
     $request->session()->flash('alert-success', 'Employee was successfully created!');
     return redirect()->route('app.employee.show', $user->id);
 }