Begin work on Drilldown implementation

core/ui/views/drilldown.py

@@ -0,0 +1,12 @@
+from django.contrib.auth.mixins import LoginRequiredMixin
+from django.views import View
+from django.shortcuts import render
+
+
+class Drilldown(LoginRequiredMixin, View):
+    template_name = "ui/drilldown.html"
+
+    def get(self, request, *args, **kwargs):
+        if not request.user.has_plan("drilldown"):
+            return render(request, "denied.html")
+        return render(request, self.template_name)