Match CHANGELOG to Keep a Changelog spec

Author: aaron-lane

CHANGELOG.md

@@ -1,41 +1,64 @@
-# Change Log
+# Changelog
 
 All notable changes to this project will be documented in this file.
 
-The format is based on [Keep a Changelog](http://keepachangelog.com/) and this
-project adheres to [Semantic Versioning](http://semver.org/).
+The format is based on [Keep a Changelog][keepachangelog-site],
+and this project adheres to [Semantic Versioning][semver-site].
+
+## [Unreleased]
+
+## [0.5.0] - 2019-01-31
+
+### Changed
 
-## [0.5.0]
-### CHANGED
 - Make `routing_mode` a configurable variable. Defaults to "GLOBAL" [#26]
 
-### ADDED
+### Added
+
 - Subnet self links as outputs. [#27]
 - Support for route creation [#14]
 - Add example for VPC with many secondary ranges [#23]
 - Add example for VPC with regional routing mode [#26]
 
-### FIXED
+### Fixed
+
 - Resolved issue with networks that have no secondary networks [#19]
 
-## [0.4.0]
-### CHANGED
+## [0.4.0] - 2018-09-25
+
+### Changed
+
 - Make `subnet_private_access` and `subnet_flow_logs` into strings to be consistent with `shared_vpc` flag [#13]
 
-## [0.3.0]
-### CHANGED
+## [0.3.0] - 2018-09-11
+
+### Changed
+
 - Make `subnet_private_access` default to false [#6]
 
-### ADDED
+### Added
+
 - Add support for controlling subnet flow logs [#6]
 
-## [0.2.0]
-### ADDED
+## [0.2.0] - 2018-08-16
+
+### Added
+
 - Add support for Shared VPC hosting
 
-## [0.1.0]
-### ADDED
+## 0.1.0 - 2018-08-08
+
+### Added
+
 - Initial release
 - A Google Virtual Private Network (VPC)
 - Subnets within the VPC
 - Secondary ranges for the subnets (if applicable)
+
+[Unreleased]: https://github.com/terraform-google-modules/terraform-google-network/compare/v0.5.0...HEAD
+[0.5.0]: https://github.com/terraform-google-modules/terraform-google-network/compare/v0.4.0...v0.5.0
+[0.4.0]: https://github.com/terraform-google-modules/terraform-google-network/compare/v0.3.0...v0.4.0
+[0.3.0]: https://github.com/terraform-google-modules/terraform-google-network/compare/v0.2.0...v0.3.0
+[0.2.0]: https://github.com/terraform-google-modules/terraform-google-network/compare/v0.1.0...v0.2.0
+[keepachangelog-site]: https://keepachangelog.com/en/1.0.0/
+[semver-site]: https://semver.org/spec/v2.0.0.html