public function renderAddProduct()
{
// $category = new Category('Pizzy'); // má id 1
/** @var Category $pizzaCategory */
$pizzaCategory = $this->entityManager->getReference(Category::class, 1);
$product = new Product('Pizza ' . rand(1, 100), $pizzaCategory);
$this->productRepository->save($product);
dump($product);
die;
}
