unify url structure

AKSubmission/urls.py

@@ -9,14 +9,14 @@ urlpatterns = [
         '<slug:event_slug>/submission/',
         include([
             path('', views.SubmissionOverviewView.as_view(), name='submission_overview'),
-            path('ak/<int:pk>', views.AKDetailView.as_view(), name='ak_detail'),
+            path('ak/<int:pk>/', views.AKDetailView.as_view(), name='ak_detail'),
             path('ak/<int:pk>/edit/', views.AKEditView.as_view(), name='ak_edit'),
             path('ak/<int:pk>/add_slot/', views.AKSlotAddView.as_view(), name='akslot_add'),
             path('akslot/<int:pk>/edit/', views.AKSlotEditView.as_view(), name='akslot_edit'),
             path('akslot/<int:pk>/delete/', views.AKSlotDeleteView.as_view(), name='akslot_delete'),
             path('aks/', views.AKListView.as_view(), name='ak_list'),
-            path('aks/category/<int:category_pk>', views.AKListByCategoryView.as_view(), name='ak_list_by_category'),
-            path('aks/tag/<int:tag_pk>', views.AKListByTagView.as_view(), name='ak_list_by_tag'),
+            path('aks/category/<int:category_pk>/', views.AKListByCategoryView.as_view(), name='ak_list_by_category'),
+            path('aks/tag/<int:tag_pk>/', views.AKListByTagView.as_view(), name='ak_list_by_tag'),
             path('owner/', views.AKOwnerCreateView.as_view(), name='akowner_create'),
             path('new/', views.AKOwnerSelectDispatchView.as_view(), name='akowner_select'),
             path('owner/edit/', views.AKOwnerEditDispatchView.as_view(), name='akowner_edit_dispatch'),