Add OWNERS.

Bug: b/227747218
Change-Id: I70df5d71422fc8b85075d9ca27d1def6e173ddbf
Reviewed-on: https://dart-review.googlesource.com/c/homebrew-dart/+/280463
Reviewed-by: Alexander Thomas <athom@google.com>
diff --git a/OWNERS b/OWNERS
new file mode 100644
index 0000000..838001e
--- /dev/null
+++ b/OWNERS
@@ -0,0 +1,3 @@
+athom@google.com
+sortie@google.com
+whesse@google.com