add gesis to the staging cluster (#1348)

add gesis to the staging cluster

Author: minrk

config/staging.yaml

@@ -123,5 +123,6 @@ federationRedirect:
       health: https://gke2.staging.mybinder.org/health
       versions: https://gke2.staging.mybinder.org/versions
     # unset the gesis and turing entries
-    gesis: null
+    gesis:
+      weight: 10
     turing: null

mybinder/values.yaml

@@ -429,6 +429,11 @@ federationRedirect:
       weight: 19
       health: https://ovh.mybinder.org/health
       versions: https://ovh.mybinder.org/versions
+    gesis:
+      url: https://gesis.mybinder.org
+      weight: 0
+      health: https://gesis.mybinder.org/health
+      versions: https://gesis.mybinder.org/versions
     turing:
       url: https://turing.mybinder.org
       weight: 1