add copernicus aggregate dashboard, also add it as button to R&E

brian_dashboard_manager/grafana/provision.py

@@ -151,6 +151,11 @@ AGG_DASHBOARDS = {
         'tag': 'cae',
         'dashboard_name': 'CAE1',
         'interfaces': []
+    },
+    'COPERNICUS': {
+        'tag': ['copernicus', 'RE_PEER'],  # show this aggregate dashboard in the list of R&E Peers
+        'dashboard_name': 'COPERNICUS',
+        'interfaces': []
     }
 }