private static function insert(Categorie $model)
 {
     $db = Database::getInstance('app');
     $query = "INSERT INTO categories (name) VALUES (:name);";
     $result = $db->prepare($query);
     $result->execute([':name' => $model->getName()]);
     $model->setId($db->lastId());
 }
 private static function insert(Categorie $model)
 {
     $db = Database::getInstance('app');
     $query = "INSERT INTO categories (name,thumbnail,createdAt) VALUES (:name, :thumbnail, :createdAt);";
     $result = $db->prepare($query);
     $result->execute([':name' => $model->getName(), ':thumbnail' => $model->getThumbnail(), ':createdAt' => $model->getCreatedAt()]);
     $model->setId($db->lastId());
 }