Add changelog for #17

Author: geerteltink

CHANGELOG.md

@@ -2,6 +2,29 @@
 
 All notable changes to this project will be documented in this file, in reverse chronological order by release.
 
+## 1.0.0alpha2 - TBD
+
+### Added
+
+- Nothing.
+
+### Changed
+
+- Nothing.
+
+### Deprecated
+
+- Nothing.
+
+### Removed
+
+- Nothing.
+
+### Fixed
+
+- [#17](https://github.com/zendframework/zend-expressive-authentication/pull/17)
+  adds the missing config provider component-installer config.
+
 ## 1.0.0alpha1 - 2018-02-07
 
 ### Added