added stats node type to example config

etc/example.conf

@@ -198,6 +198,12 @@ nodes = {
 		# then starts the other side of this shared memory channel
 		# Usually we also pass the shmem names as parameters.
 		exec = [ "villas-shmem", "sn1_in", "sn1_out" ]
+	},
+	stats_node = {					# The "stats" node type streams statistics of a second node
+		type = "stats",
+			
+		node = "udp_node",
+		rate = "2"
 	}
 };