Prepare for new developments

Author: roderickvd

CHANGELOG.md

@@ -5,6 +5,16 @@ 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) since v0.2.0.
 
+## [Unreleased]
+
+### Changed
+
+### Added
+
+### Fixed
+
+### Removed
+
 ## [0.4.0] - 2022-05-21
 
 ### Changed
@@ -117,6 +127,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [0.1.0] - 2019-11-06
 
+[unreleased]: https://github.com/librespot-org/librespot/compare/v0.4.0..HEAD
 [0.4.0]: https://github.com/librespot-org/librespot/compare/v0.3.1..v0.4.0
 [0.3.1]: https://github.com/librespot-org/librespot/compare/v0.3.0..v0.3.1
 [0.3.0]: https://github.com/librespot-org/librespot/compare/v0.2.0..v0.3.0