Add OWNERS file

Seems like the thing to do

Change-Id: I91ffae1733221847df6672a30ab3fb2262e472d2
diff --git a/OWNERS b/OWNERS
new file mode 100644
index 0000000..1e26766
--- /dev/null
+++ b/OWNERS
@@ -0,0 +1,10 @@
+eshimanovich@google.com
+jefferymiller@google.com
+josephsussman@google.com
+justinoue@google.com
+nardini@google.com
+nicholasbishop@google.com
+peterjbrown@google.com
+pobega@google.com
+skend@google.com
+tbrandston@google.com