Updated changelog for 2.3.0

CHANGELOG.md

@@ -4,7 +4,8 @@ All notable changes to MarketBot 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]-->
+## [2.3.0] - 2019-04-23
 ### Added
 - 1% of spacing to the top and bottom of the `/history` graphs.
 - The name of the region to the `/buy` output text when a citadel name is unknown.
@@ -86,7 +87,8 @@ First stable release of MarketBot.
 [#2]: https://github.com/Ionaru/MarketBot/issues/2
 
 <!-- Linked versions -->
-[Unreleased]: https://github.com/Ionaru/MarketBot/compare/2.2.0...HEAD
+[Unreleased]: https://github.com/Ionaru/MarketBot/compare/2.3.0...HEAD
+[2.3.0]: https://github.com/Ionaru/MarketBot/compare/2.2.0...2.3.0
 [2.2.0]: https://github.com/Ionaru/MarketBot/compare/1.3.1...2.2.0
 [1.3.1]: https://github.com/Ionaru/MarketBot/compare/1.3.0...1.3.1
 [1.3.0]: https://github.com/Ionaru/MarketBot/compare/1.2.0...1.3.0