Add OWNERS for docs-tip-of-tree/build.gradle

Change-Id: Ic99b06262a8940b63ba6adcf9b3963b393d9a8d6
diff --git a/OWNERS b/OWNERS
index 487d961..1ce6f67 100644
--- a/OWNERS
+++ b/OWNERS
@@ -24,6 +24,11 @@
 [email protected]
 [email protected]
 
+# docs
+per-file docs-tip-of-tree/build.gradle = set noparent
+per-file docs-tip-of-tree/build.gradle = [email protected], [email protected], [email protected]
+
+# settings.gradle
 per-file *settings.gradle = set noparent
 per-file *settings.gradle = [email protected], [email protected]
 # Core-Telecom