public function index($expeditionId)
 {
     $newLocation = new MapLocation();
     $expedition = Expedition::with('locations')->findOrFail($expeditionId);
     return view('admin.expeditions.locations.index')->with(compact('newLocation', 'expedition'));
 }
 public function expedition($slug)
 {
     $expedition = Expedition::with('expeditionists')->where('slug', $slug)->firstOrFail();
     return view('front.pages.expedition')->with(compact('expedition'));
 }