Added admin application

- Manage users
- Manage groups
- Manage logs

admin/decorators.py

@@ -0,0 +1,10 @@
+from django.core.exceptions import PermissionDenied
+
+
+def superuser_only(function):
+    def _inner(request, *args, **kwargs):
+        if not request.user.is_superuser:
+            raise PermissionDenied
+        return function(request, *args, **kwargs)
+
+    return _inner