chore(CHANGELOG): update for 0.2.0

Author: jarekdanielak

CHANGELOG.md

@@ -6,6 +6,14 @@ All notable changes are documented here. We use [semantic versioning](http://sem
 
 ___Note:__ Yet to be released changes appear here._
 
+## 0.2.0
+
+- `FEAT`: show current execution state in results ([#9](https://github.com/camunda/task-testing/pull/9))
+- `FEAT`: add link to Operate ([#9](https://github.com/camunda/task-testing/pull/9))
+- `FEAT`: show process variables for incidents ([#9](https://github.com/camunda/task-testing/pull/9))
+- `FEAT`: make result process variables a code editor with syntax highlights ([#9](https://github.com/camunda/task-testing/pull/9))
+- `FIX`: make sure `InputEditor` rerenders when selected element changes ([#17](https://github.com/camunda/task-testing/pull/17))
+
 ## 0.1.1
 
 Initial release