Allow registered users to vote Code-Review -1 to +1 on refs/meta/config

Change-Id: I105e29502a213b90703b0c29aa14829d44767396

project.config

diff --git a/project.config b/project.config
index 6b8ccef..b8fe757 100644
--- a/project.config
+++ b/project.config
@@ -32,6 +32,7 @@
 	read = group google/gerritcodereview-maintainers@googlegroups.com
 	label-Code-Review = -2..+2 group Project Owners
 	label-Code-Review = -2..+2 group google/gerritcodereview-maintainers@googlegroups.com
+	label-Code-Review = -1..+1 group Registered Users
 	label-Verified = -1..+1 group Project Owners
 	label-Verified = -1..+1 group google/gerritcodereview-maintainers@googlegroups.com
 	submit = group Project Owners