Update CHANGELOG

CHANGELOG.md

@@ -4,6 +4,13 @@ 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]
+### Added
+  - Support for `private_users` and `private_users_ownership` flags (#26)
+### Changed
+  - Update Nomad to v1.2.0
+  - Improve drive API documentation @blaggacao (#25)
+  - Update Go to v1.17
 ## [0.7.0] - 2021-05-28
 ### Added
   - Support for new `memory_max` setting