modified website.decorators, webpage->app_config, created new configs

suivi/urls.py

@@ -1,9 +1,9 @@
 from django.conf.urls import url
 
 from . import views
-from sujets import views as sujets_views
 
 urlpatterns = [
     url(r'^$', views.IndexView.as_view(), name="index"),
+    url(r'liste/$', views.SujetListView.as_view(), name="liste"),
     url(r'(?P<pk>[0-9]+)/$', views.SuiviSujetView.as_view(), name="details"),
 ]