public function store(Request $request, $idTraj)
 {
     $question = new Question();
     $libQuest = $request->question;
     $question->libQuest = $libQuest;
     $question->trajet()->associate(Trajet::find($idTraj));
     $question->save();
     $trajet = Trajet::find($question->idTraj);
     $data = array("question" => $question->libQuest, "idTraj" => $question->idTraj, "mailCond" => $trajet->user->email, "nomCond" => $trajet->user->prenomMemb);
     Mail::send('recherche.question.email', $data, function ($message) use($trajet, $question) {
         $message->to($trajet->user->email, $trajet->user->prenomMemb)->subject('Vous avez reçu une question !');
     });
     return redirect()->route('detailRecherche', $idTraj);
 }