public function updateRequirements(Request $request)
 {
     $areaCode = Volunteers::where('id', session('volunteerId'))->first()->areaCode;
     $requirements = new Requirements();
     $requirements->volunteerId = session('volunteerId');
     $requirements->areaCode = $areaCode;
     $requirements->requirement = $request->get('item');
     $requirements->quantity = $request->get('quantity');
     $requirements->save();
     return json_encode(["item" => $request->get('item'), "quantity" => $request->get('quantity')]);
 }