docs: provide initial changelog

Author: weierophinney

CHANGELOG.md

@@ -2,11 +2,16 @@
 
 All notable changes to this project will be documented in this file, in reverse chronological order by release.
 
-## 0.1.0 - TBD
+## 0.1.0 - 2019-03-27
 
 ### Added
 
-- Nothing.
+- Adds an autoloader file that registers with `spl_autoload_register` a routine
+  for aliasing legacy ZF class/interface/trait names to Laminas Project
+  equivalents.
+
+- Adds autoloader files for aliasing legacy ZF package functions to Laminas
+  Project equivalents.
 
 ### Changed