fix: Add login required on all remaining views

breccia_mapper/views.py

@@ -1,3 +1,10 @@
+"""
+Views belonging to the core of the project.
+
+These views don't represent any of the models in the apps.
+"""
+
+from django.contrib.auth.mixins import LoginRequiredMixin
 from django.views.generic import TemplateView
 
 
@@ -5,5 +12,5 @@ class IndexView(TemplateView):
     template_name = 'index.html'
 
 
-class ExportListView(TemplateView):
+class ExportListView(LoginRequiredMixin, TemplateView):
     template_name = 'export.html'