Updated urls.py

Added new paths to accommodate the new function and class based views.

widget_aguandhischipmunks/announcement_board/urls.py

 from django.urls import path
 from .import views 
+from .views import (
+    AnnouncementsDetailsView, 
+    AnnouncementsEditView, 
+    AnnouncementsAddView,
+)
 
 
-# url for announcement
+# url for announcement_board
 urlpatterns = [
-    path("", views.announcement_boardIndex, name = "announcement_boardIndex")
+    path('', views.announcements_view, name='announcements'),
+    path('add', views.AnnouncementsAddView.as_view(), name='announcement_add'),
+    path('<int:pk>/details', views.AnnouncementsDetailsView.as_view(), name='announcement_details'),
+    path('<int:pk>/edit', views.AnnouncementsEditView.as_view(), name='announcement_edit'),
 ]
 app_name = "announcement_board"
\ No newline at end of file