Add i18n key for the UI menu (#126)

diff --git a/ui-configuration.graphqls b/ui-configuration.graphqls
index accc20a..69be2b4 100644
--- a/ui-configuration.graphqls
+++ b/ui-configuration.graphqls
@@ -39,6 +39,8 @@
     description: String
     # The document link for the latest version of this feature.
     documentLink: String
+    # The i18n key for the title and description of this feature display in the UI.
+    i18nKey: String
 }
 
 extend type Query {