Update CHANGELOG and VERSION for v0.2.0 release (#93)

- Set VERSION to v0.2.0
- Create CHANGELOG file for 0.2.0 release.
  List new features and issues fixed

Signed-off-by: Ziyou Wang <ziyouw@vmware.com>

CHANGELOG/CHANGELOG-0.2.md

@@ -0,0 +1,27 @@
+# Changelog 0.2
+
+## 0.2.0 - 2022-08-17
+
+### Added
+
+- ClickHouse cluster support and data schema management. ([#55](https://github.com/antrea-io/theia/pull/55), [@yanjunz97]) ([#81](https://github.com/antrea-io/theia/pull/81), [@yanjunz97])
+  * Introduce support for ClickHouse cluster deployment with shards and replicas
+  * Introduce version control to ClickHouse data schema, which detects the data schema version and applies necessary upgrades in initializing stage
+- New Theia Command Line commands. ([#56](https://github.com/antrea-io/theia/pull/56), [@dreamtalen]) ([#59](https://github.com/antrea-io/theia/pull/59), [@yuntanghsu])
+  * Commands for listing and deleting policy recommendation jobs
+  * Commands to retrieve metrics in ClickHouse database
+
+### Changed
+
+- Enhancements to Helm chart based deployment ([#69](https://github.com/antrea-io/theia/pull/69), [@yanjun97]) ([#73](https://github.com/antrea-io/theia/pull/73), [@antoninbas])
+- Move Grafana setting files to Persistent Volume ([#84](https://github.com/antrea-io/theia/pull/84), [@yanjun97])
+- Grafana UI improvements ([#83](https://github.com/antrea-io/theia/pull/83), [@heanlan] [@dreamtalen] [@yuntanghsu])
+- E2e tests for Theia functions. ([#66](https://github.com/antrea-io/theia/pull/66), [@yanjunz97]) ([#71](https://github.com/antrea-io/theia/pull/71), [@heanlan]) ([#77](https://github.com/antrea-io/theia/pull/77), [@dreamtalen])
+  * Provide e2e tests for Theia components (ClickHouse monitor and Grafana dashboard)
+  * Improve policy recommendation e2e test
+
+[@antoninbas]: https://github.com/antoninbas
+[@dreamtalen]: https://github.com/dreamtalen
+[@heanlan]: https://github.com/heanlan
+[@yanjunz97]: https://github.com/yanjunz97
+[@yuntanghsu]: https://github.com/@yuntanghsu

VERSION

@@ -1 +1 @@
-v0.2.0-dev
+v0.2.0

build/charts/theia/README.md

@@ -1,6 +1,6 @@
 # theia
 
-![Version: 0.2.0-dev](https://img.shields.io/badge/Version-0.2.0--dev-informational?style=flat-square) ![Type: application](https://img.shields.io/badge/Type-application-informational?style=flat-square) ![AppVersion: latest](https://img.shields.io/badge/AppVersion-latest-informational?style=flat-square)
+![Version: 0.2.0](https://img.shields.io/badge/Version-0.2.0-informational?style=flat-square) ![Type: application](https://img.shields.io/badge/Type-application-informational?style=flat-square) ![AppVersion: latest](https://img.shields.io/badge/AppVersion-latest-informational?style=flat-square)
 
 Antrea Network Flow Visibility