[dash] Add MAINTAINERS file

Change-Id: I0b9fd91fc3d8a6161abde93f47edbd4d1574607b
diff --git a/third_party/uapp/dash/MAINTAINERS b/third_party/uapp/dash/MAINTAINERS
new file mode 100644
index 0000000..d8bd858
--- /dev/null
+++ b/third_party/uapp/dash/MAINTAINERS
@@ -0,0 +1,2 @@
+abarth@google.com
+kulakowski@google.com