Add CHANGELOG.md to track releases. (#33)

.travis.yml

@@ -3,7 +3,8 @@ language: minimal
 branches:
   only:
   - master
-  - /^\d+\.\d+(\.\d+)?(-\S*)?$/
+  # https://docs.travis-ci.com/user/customizing-the-build/#safelisting-or-blocklisting-branches
+  - /^v\d+\.\d+(\.\d+)?(-\S*)?$/
 
 jobs:
 

CHANGELOG.md

@@ -0,0 +1,15 @@
+# Changelog
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
+and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
+
+## [0.2.0] - October 3rd, 2019
+- Adds Optimizely webhook support
+- Adds full Feature MGMT support
+- Adds NSQ for UserEvent message transport
+- Adds support for multiple concurrent SDK keys
+
+## [0.1.0] - September 4th, 2019
+This is the initial release which supported a basic web application and go-sdk integration.
+