Update changelog

Signed-off-by: Sergiy Kulanov <[email protected]>

CHANGELOG.md

@@ -2,6 +2,27 @@
 ## [Unreleased]
 
 
+<a name="v0.2.0"></a>
+## [v0.2.0] - 2023-10-07
+### Code Refactoring
+
+- Add support for writing graphs to file
+- Add output format validator
+- Align code base to tektoncd/cli repo approach
+- First refactor iteration
+
+### Routine
+
+- Add code coverage report for SonarCloud
+- Add sonarqube check
+- Add CHANGELEG.md file and approach to build it
+
+### Documentation
+
+- Update documentation
+- Update documentation
+
+
 <a name="v0.1.0"></a>
 ## v0.1.0 - 2023-10-03
 ### Features
@@ -32,4 +53,5 @@
 - Update README.md file
 
 
-[Unreleased]: https://github.com/sergk/tkn-graph/compare/v0.1.0...HEAD
+[Unreleased]: https://github.com/sergk/tkn-graph/compare/v0.2.0...HEAD
+[v0.2.0]: https://github.com/sergk/tkn-graph/compare/v0.1.0...v0.2.0