Update Changelog

Author: ivanvermeyen

CHANGELOG.md

@@ -2,6 +2,15 @@
 
 All notable changes to `BrowserLocale` will be documented in this file.
 
+## 2.0.0 (2018-03-30)
+
+- Rename main class & remove interface for simplicity
+- Make constructor argument required
+- Make private methods protected
+- Rename `$locale` property to `$full` in `Locale` class
+- Switch to PHPUnit for testing
+- Add ServiceProvider for Laravel
+
 ## 1.0.0 (2015-12-13)
 
 - Get the primary browser locale