Add changelog for new release.

CHANGELOG.md

@@ -5,7 +5,9 @@ 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] -->
+## [Unreleased]
+### Fixed
+- Remove double newline in `Literate.script` output. ([#221][github-221])
 
 ## [2.14.1] - 2023-08-04
 ### Fixed
@@ -247,6 +249,7 @@ https://discourse.julialang.org/t/ann-literate-jl/10651 for release announcement
 [github-204]: https://github.com/fredrikekre/Literate.jl/issues/204
 [github-205]: https://github.com/fredrikekre/Literate.jl/pull/205
 [github-219]: https://github.com/fredrikekre/Literate.jl/pull/219
+[github-221]: https://github.com/fredrikekre/Literate.jl/pull/221
 
 [Unreleased]: https://github.com/fredrikekre/Literate.jl/compare/v2.14.1...HEAD
 [2.14.1]: https://github.com/fredrikekre/Literate.jl/compare/v2.14.0...v2.14.1