public function search(Request $request)
 {
     $q = $request->input('search');
     if (preg_match("/^[0-9]+\$/", $q)) {
         $data = ['title' => 'Список контактов', 'view_all' => false, 'contacts' => Contact::get()->where('phone', $q)->toArray()];
         return view('templates.index', $data);
     } elseif (filter_var($q, FILTER_VALIDATE_EMAIL)) {
         $data = ['title' => 'Список контактов', 'view_all' => false, 'contacts' => Contact::where('email', $q)->get()->toArray()];
         return view('templates.index', $data);
     } else {
         $q = '%' . $q . '%';
         $data = ['title' => 'Список контактов', 'view_all' => false, 'contacts' => Contact::where('fullname', 'LIKE', $q)->get()->toArray()];
         //dd($data);
         return view('templates.index', $data);
     }
 }