Add CHANGELOG entry for 0.1.0

Author: aaron-lane

CHANGELOG.md

@@ -6,6 +6,12 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/) and this
 project adheres to [Semantic Versioning](http://semver.org/).
 
 ## [Unreleased]
+
+## [0.1.0] - 2019-04-30
+
 ### Added
 - `instance_template`, `mig`, and `umig` modules
-- examples, basic tests and fixtures for all modules
+- examples, basic tests and fixtures for all modules
+
+[Unreleased]: https://github.com/terraform-google-modules/terraform-google-vm/compare/v0.1.0...HEAD
+[0.1.0]: https://github.com/terraform-google-modules/terraform-google-vm/releases/tag/v0.1.0