Revert "Remove a global code-style label"

This reverts commit 1c094065c067230b6821ef5ce718172a62f20dc4.
diff --git a/project.config b/project.config
index 376d43c..4f000b3 100644
--- a/project.config
+++ b/project.config
@@ -36,6 +36,9 @@
 	label-Verified = -1..+1 group Administrators
 	label-Verified = -1..+1 group Non-Interactive Users
 	label-Verified = -1..+1 group Project Owners
+	label-Code-Style = -1..+1 group Administrators
+	label-Code-Style = -1..+1 group Non-Interactive Users
+	label-Code-Style = -1..+1 group Project Owners
 [access "refs/meta/config"]
 	exclusiveGroupPermissions = read
 	read = group Administrators
@@ -70,5 +73,13 @@
 	value =  0 No score
 	value = +1 Verified
 	defaultValue = 0
+[label "Code-Style"]
+	function = NoBlock
+	value = -1 Possible code style issues
+	value = 0 No score
+	value = +1 No obvious code style issues
+	defaultValue = 0
+	copyAllScoresOnTrivialRebase = true
+	copyAllScoresIfNoCodeChange = true
 [access "refs/for/*"]
 	addPatchSet = group Registered Users