Add codereview.settings

Change-Id: I54611746cb315b26bb9d541ed7d3b1c7a8c98ee7
Reviewed-on: https://dart-review.googlesource.com/56962
Reviewed-by: Zach Anderson <zra@google.com>
Reviewed-by: Alexander Thomas <athom@google.com>
diff --git a/codereview.settings b/codereview.settings
new file mode 100644
index 0000000..e462774
--- /dev/null
+++ b/codereview.settings
@@ -0,0 +1,5 @@
+# This file is used by gcl to get repository specific information.
+GERRIT_HOST: True
+CODE_REVIEW_SERVER: https://dart-review.googlesource.com
+VIEW_VC: https://dart.googlesource.com/boringssl_gen/+
+CC_LIST: reviews@dartlang.org