added auto-reload when developing.

src/website/urls.py

@@ -19,6 +19,7 @@ from django.contrib import admin
 from django.urls import path, include
 
 urlpatterns = [
+    path("__reload__/", include("django_browser_reload.urls")),
     path("polls/", include("polls.urls")),
     path("admin/", admin.site.urls),
 ]