The releases are documented in a changelog file

Signed-off-by: Harald Albers <github@albersweb.de>

Author: albers

CHANGELOG.md

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+# Changelog
+
+## v2.0.0 (2018-10-02)
+
+### Features
+
+- Customization of the ssh public keys was moved from the dedicated `public-keys` property to a [Cloud Config Data](https://cloudinit.readthedocs.io/en/latest/topics/format.html#cloud-config-data) section file specified in `user-data`.
+This enables the following features: 
+  - Multiple ssh public keys can be added. 
+  - A password can be set for the user "ubuntu" without forcing it to be changed on first login (which would break the ansible connection).
+
+- A workaround for https://github.com/ansible/ansible/issues/45223 was added.
+
+### Changes
+
+- The `cidr` variable was renamed to `network`.
+
+## v1.0.0 (2018-09-27)
+
+Support for creating virtual machines from Ubuntu Cloud Images with adjusted hardware.