added two news paths for announcement add and edit in urls.py

widget_quintupoltrobol/announcements/urls.py

@@ -4,6 +4,8 @@ from .views import *
 urlpatterns = [
     path('', pageview, name='pageview'),
     path('<int:pk>/details/', AnnouncementDetailView.as_view(), name="announcement_details"),
+    path('add/', AnnouncementCreateView.as_view(), name='announcement_add'),
+    path('<int:pk>/edit', AnnouncementEditView.as_view(), name='announcement_edit'),
 ]
 
 app_name = "announcements"
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