Bump to version 0.1.0

CHANGELOG.md

@@ -5,7 +5,11 @@ All notable changes to this project 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).
 
-## Unreleased
+## [Unreleased][]
+
+_tbd_
+
+## 0.1.0 – 2019-07-24
 
 Initial release
 
@@ -16,3 +20,5 @@ Initial release
 -   Add PHP versions 7.0, 7.1, 7.2, 7.3 and 7.4 (experimental)
 -   Add services Apache Webserver and PHP-FPM
 -   Add examples for docker-compose incl. environment variables, MariaDB and memcached
+
+[Unreleased]: https://github.com/bheisig/i-doit-docker/compare/v0.1.0...HEAD