Update changelog for 2.15.0

CHANGELOG.md

@@ -4,7 +4,8 @@ All notable changes to easymde 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]
+[comment]: <> (## [Unreleased])
+## [2.15.0] - 2021-04-22
 ### Added
 - `imagePathAbsolute` option to return the absolute path when uploading an image (Thanks to [@wwsalmon], [#313]).
 
@@ -313,7 +314,8 @@ Project forked from [SimpleMDE](https://github.com/sparksuite/simplemde-markdown
 [@sne11ius]: https://github.com/sne11ius
 
 <!-- Linked versions -->
-[Unreleased]: https://github.com/Ionaru/easy-markdown-editor/compare/2.14.0...HEAD
+[Unreleased]: https://github.com/Ionaru/easy-markdown-editor/compare/2.15.0...HEAD
+[2.15.0]: https://github.com/Ionaru/easy-markdown-editor/compare/2.14.0...2.15.0
 [2.14.0]: https://github.com/Ionaru/easy-markdown-editor/compare/2.13.0...2.14.0
 [2.13.0]: https://github.com/Ionaru/easy-markdown-editor/compare/2.12.1...2.13.0
 [2.12.1]: https://github.com/Ionaru/easy-markdown-editor/compare/2.12.0...2.12.1