Introduce hidden events

Add boolean flag to events whether they should appear on the overview/start page or just when visiting the correct url

AKDashboard/views.py

@@ -14,9 +14,10 @@ class DashboardView(TemplateView):
 
     def get_context_data(self, **kwargs):
         context = super().get_context_data(**kwargs)
-        context['events'] = Event.objects.all()
+        context['events'] = Event.objects.filter(public=True)
         return context
 
+
 class DashboardEventView(DetailView):
     template_name = 'AKDashboard/dashboard_event.html'
     context_object_name = 'event'