public function index(Request $request, $id)
 {
     $project = $this->projectRepository->find($id);
     $frees = $this->freeService->searchIndex($id);
     $search = $request->input('search');
     if (!empty($search)) {
         $frees = $this->freeService->search($search, $id);
     }
     return view('admin.frees.index', compact('frees', 'project'));
 }