Update read for readme.

Author: wu-sheng

README.md

@@ -56,9 +56,12 @@ This project adheres to the Contributor Covenant [code of conduct](CODE_OF_CONDU
 - Instance Overview.
 <img src="https://sky-walking.github.io/page-resources/3.2/instance_health.png"/>
 
-- JVM detail.
+- JVM Detail.
 <img src="https://sky-walking.github.io/page-resources/3.2/instance_graph.png"/>
 
+- Services Dependency Tree.
+<img src="https://sky-walking.github.io/page-resources/3.2/service_dependency_tree.png"/>
+
 # Test reports
 - Automatic integration test reports
   - [Java Agent test report](https://github.com/sky-walking/agent-integration-test-report)

README_ZH.md

@@ -61,6 +61,10 @@ This project adheres to the Contributor Covenant [code of conduct](CODE_OF_CONDU
 - JVM明细信息
 <img src="https://sky-walking.github.io/page-resources/3.2/instance_graph.png"/>
 
+- 服务依赖树.
+<img src="https://sky-walking.github.io/page-resources/3.2/service_dependency_tree.png"/>
+
+
 # Test reports
 - 自动化集成测试报告
   - [Java探针测试报告](https://github.com/sky-walking/agent-integration-test-report)