Add example cerebrum_client config

gregsite/settings/dev.py

@@ -17,6 +17,11 @@ ORGREG_CLIENT = {
     "headers": {"X-Gravitee-Api-Key": "bar"},
 }
 
+CEREBRUM_CLIENT = {
+    "url": "https://example.com/fake/",
+    "headers": {"X-Gravitee-Api-Key": "bar"},
+}
+
 Q_CLUSTER = {
     "name": "greg",
     "workers": 4,