Adds CHANGELOG for #63

Author: michalbundyra

CHANGELOG.md

@@ -2,11 +2,13 @@
 
 All notable changes to this project will be documented in this file, in reverse chronological order by release.
 
-## 1.1.1 - TBD
+## 1.2.0 - TBD
 
 ### Added
 
-- Nothing.
+- [#63](https://github.com/zendframework/zend-expressive-authentication-oauth2/issues/63)
+  registers the `ConfigProvider` with the package. If you are using zend-component-installer
+  it will be added to your configuration during the installation.
 
 ### Changed