add a changelog

CHANGELOG.md

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+# Change Log
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](http://keepachangelog.com/)
+and this project adheres to [Semantic Versioning](http://semver.org/).
+
+## [Unreleased]
+### Added
+- More words, lol
+
+### Changed
+- Combined adjective lists to allow more possible combinations
+
+## [1.1.3] - 2016-08-27
+### Added
+- Support for Firefox
+
+### Removed
+- Unecessary code from starter project
+
+## [1.1.1] - 2016-08-20
+### Added
+- More adjectives and nouns, lol
+
+## [1.1.0] - 2016-08-20
+### Added
+- Use MutationObserver to monitor the DOM for changes and update text on the fly
+
+## [1.0.0] - 2016-08-20
+Initial release published to the Chrome Web Store
+
+## [0.0.1] - 2016-08-11
+Proof of concept alpha