change summary

.gitignore

@@ -1,2 +1,3 @@
 node_modules
 _book
+.DS_Store

SUMMARY.md

@@ -29,6 +29,13 @@
 * [整体设计](Design/Design.md)
 * [段设计](Design/Segments.md)
 * [进程与服务](Design/Processes.md)
+  * [Coordinator](Design/Coordinator.md)
+  * [Overlord](Design/Overlord.md)
+  * [Historical](Design/Historical.md)
+  * [MiddleManager](Design/MiddleManager.md)
+  * [Broker](Design/Broker.md)
+  * [Indexer](Design/Indexer.md)
+  * [Peon](Design/Peons.md)
 * [深度存储](Design/Deepstorage.md)
 * [元数据存储](Design/Metadata.md)
 * [Zookeeper](Design/Zookeeper.md)