Add changelog

Author: tvanlaerhoven

CHANGELOG.md

@@ -5,6 +5,12 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.1.0/)
 and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
+## [Unreleased]
+
+### Changed
+
+- Upgraded example app to React-Native v0.84.1.
+
 ## [10.13.0] - 26-03-27
 
 ### Fixed