adding router config to examples/config

examples/config/router/runtime.properties

@@ -0,0 +1,23 @@
+#
+# Licensed to Metamarkets Group Inc. (Metamarkets) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. Metamarkets licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+# 
+# http://www.apache.org/licenses/LICENSE-2.0
+# 
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+#
+
+druid.service=router
+druid.router.defaultBrokerServiceName=broker
+druid.router.coordinatorServiceName=coordinator
+