fix Integer

src/main/java/fr/tetelie/crawler/web/ProductController.java

@@ -29,7 +29,7 @@ public class ProductController {
     }
 
     @GetMapping("/delete/{id}")
-    public String deleteProduct(@PathVariable Long id) {
+    public String deleteProduct(@PathVariable Integer id) {
         productRepository.deleteById(id);
         return "redirect:/";
     }