Added CHANGELOG for #3

Author: weierophinney

CHANGELOG.md

@@ -0,0 +1,22 @@
+# Changelog
+
+All notable changes to this project will be documented in this file, in reverse chronological order by release.
+
+## 3.0.0 - TBD
+
+### Added
+
+- Nothing.
+
+### Deprecated
+
+- Nothing.
+
+### Removed
+
+- Nothing.
+
+### Fixed
+
+- [#3](https://github.com/zendframework/zend-tag/pull/3) updates the component
+  to use zend-servicemanager v3.