/**
  * Display a administrator dashboard.
  *
  * @return \Illuminate\Http\Response
  */
 public function index()
 {
     $activities = Activity::with('contributor')->paginate(8);
     $statistics = ['ARTICLES' => Article::count(), 'MEMBERS' => Contributor::count(), 'CATEGORIES' => Subcategory::count(), 'MESSAGES' => Message::count(), 'FEEDBACK' => Feedback::count(), 'VISITORS' => (int) Visitor::sum('unique')];
     $visitors = Visitor::take(10)->get();
     return view('admin.dashboard.index', compact('activities', 'statistics', 'visitors'));
 }