Add release notes and update CHANGELOG.md for 3.2.0 release (#117)

Author: RileyJergerAmazon

CHANGELOG.md

@@ -9,13 +9,10 @@ Inspired from [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
 ### Features
 
 ### Enhancements
-* [Enhancement] Adding a field to store the A/B TDI configs per event in the data generator. ([#102](https://github.com/opensearch-project/user-behavior-insights/pull/102))
 
 ### Bug Fixes
 
 ### Infrastructure
-* Added end to end integration tests for experiments ([#154](https://github.com/opensearch-project/search-relevance/pull/154))
-* Upgrade gradle to 8.14 and higher JDK version to 24 ([#106](https://github.com/opensearch-project/user-behavior-insights/pull/106))
 
 ### Documentation
 

release-notes/opensearch-user-behavior-insights.release-notes-3.2.0.0.md

@@ -0,0 +1,10 @@
+## Version 3.2.0 Release Notes
+
+Compatible with OpenSearch and OpenSearch Dashboards version 3.2.0
+
+### Enhancements
+* [Enhancement] Adding a field to store the A/B TDI configs per event in the data generator. ([#102](https://github.com/opensearch-project/user-behavior-insights/pull/102))
+
+### Infrastructure
+* Added end to end integration tests for experiments ([#154](https://github.com/opensearch-project/search-relevance/pull/154))
+* Upgrade gradle to 8.14 and higher JDK version to 24 ([#106](https://github.com/opensearch-project/user-behavior-insights/pull/106))