[v3.1.x] Update change log documentation

CHANGELOG.md

@@ -4,6 +4,16 @@ All notable changes to this project 3.1.x per each release will be documented in
 
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
 
+## [v3.1.0.2] - 2020-04-07
+
+### Changed
+- Add support for WSO2 API Manager
+[Solr indexing](https://apim.docs.wso2.com/en/latest/administer/product-configurations/common-runtime-and-configuration-artifacts/#persistent-runtime-artifacts).
+- Execute the profile optimization script explicitly to apply changes
+
+For detailed information on the tasks carried out during this release, please see the GitHub milestone
+[v3.1.0.2](https://github.com/wso2/docker-apim/milestone/14).
+
 ## [v3.1.0.1] - 2020-04-07
 
 ### Added
@@ -15,4 +25,4 @@ and Identity Server as Key Manager version 5.10.x profiles
 For detailed information on the tasks carried out during this release, please see the GitHub milestone
 [v3.1.0.1](https://github.com/wso2/docker-apim/milestone/13).
 
-[v3.1.0.1]: https://github.com/wso2/docker-apim/compare/v3.0.0.3...v3.1.0.1
+[v3.1.0.2]: https://github.com/wso2/docker-apim/compare/v3.1.0.1...v3.1.0.2

README.md

@@ -16,4 +16,4 @@ Docker Compose files have been created according to the most common API Manageme
 to quickly evaluate product features along side their co-operate API Management requirements. The Compose files make use of per profile
 Docker images of WSO2 API Manager, API Manager Analytics and WSO2 Identity Server as Key Manager, as well as MySQL.
 
-**Change log** from previous v3.0.0.3 release: [View Here](CHANGELOG.md)
+**Change log** from previous v3.1.0.1 release: [View Here](CHANGELOG.md)