Обновили шапку и вывод всехтоваров. Добавили фильтры

myproject/myproject/urls.py

@@ -26,6 +26,7 @@ urlpatterns = [
     path('', views.index, name='index'),  # Main page
     path('accounts/', include('accounts.urls')),
     path('products/', include('products.urls')),
+    path('customers/', include('customers.urls')),
 ]
 
 # Serve media files during development