add urls for details

polls/urls.py

@@ -2,6 +2,13 @@ from django.urls import path
 
 from . import views
 
+app_name = "polls"
 urlpatterns = [
     path("", views.index, name="index"),
+    # example: /polls/5/
+    path("<int:question_id>/", views.detail, name="detail"),
+    # example: /polls/5/results/
+    path("<int:question_id>/results/", views.results, name="results"),
+    # example: /polls/5/vote/
+    path("<int:question_id>/vote/", views.vote, name="vote"),
 ]