add changelog

Author: jbweston

CHANGELOG.md

@@ -0,0 +1,10 @@
+# Changelog
+All notable changes to miniver will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## [0.6.0] - 2019-02-17
+### Fixed
+- Typos in generated files (comments only)
+- Dedented template code produced by 'install-miniver' to make it copy-pasteable.