Update CHANGELOG with release 0.3.0

CHANGELOG.md

@@ -5,7 +5,7 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-## [Unreleased]
+## [0.3.0] - 2020-07-27
 ### Added
  - Add orderPlace event and remove subscription event([#25](https://github.com/velocidi/velocidi-android-sdk/pull/25)).
 
@@ -22,6 +22,22 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Infrastructural
 
 
+## [Unreleased]
+### Added
+
+### Changed
+
+### Deprecated
+
+### Removed
+
+### Fixed
+
+### Security
+
+### Infrastructural
+
+
 ## [0.2.0] - 2020-07-21
 ### Added
  - Add documentation website ([#11](https://github.com/velocidi/velocidi-android-sdk/pull/11)).