Add DIR_METADATA for ipcz

Bug: 1371741
Change-Id: Id0cd20844315cef6bbae3b71d197855fb3162436
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3938362
Auto-Submit: Alex Gough <ajgo@chromium.org>
Commit-Queue: Alex Gough <ajgo@chromium.org>
Reviewed-by: Ken Rockot <rockot@google.com>
Cr-Commit-Position: refs/heads/main@{#1057047}
NOKEYCHECK=True
GitOrigin-RevId: fe7ba4361ee6c18f851d2640536699b45f081651
diff --git a/DIR_METADATA b/DIR_METADATA
new file mode 100644
index 0000000..dc2b868
--- /dev/null
+++ b/DIR_METADATA
@@ -0,0 +1,11 @@
+# Metadata information for this directory.
+#
+# For more information on DIR_METADATA files, see:
+#   https://source.chromium.org/chromium/infra/infra/+/main:go/src/infra/tools/dirmd/README.md
+#
+# For the schema of this file, see Metadata message:
+#   https://source.chromium.org/chromium/infra/infra/+/main:go/src/infra/tools/dirmd/proto/dir_metadata.proto
+
+monorail {
+  component: "Internals>Mojo>Core"
+}