Update CHANGELOG

Author: utarwyn

CHANGELOG.md

@@ -8,11 +8,12 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ## [Unreleased]
 
 ### Added
-- [#20](https://github.com/green-code-initiative/ecoCode-javascript/pull/20) Add rules `@ecocode/prefer-shorthand-css-notations-*`
+
 - [#14](https://github.com/green-code-initiative/ecoCode-javascript/pull/14) Create SonarQube plugin
 - [#21](https://github.com/green-code-initiative/ecoCode-javascript/pull/21) Add rule `@ecocode/avoid-css-animations`
 - [#18](https://github.com/green-code-initiative/ecoCode-javascript/pull/18) Add rule `@ecocode/limit-db-query-results`
 - [#19](https://github.com/green-code-initiative/ecoCode-javascript/pull/19) Add rule `@ecocode/no-empty-image-src-attribute`
+- [#20](https://github.com/green-code-initiative/ecoCode-javascript/pull/20) Add rule `@ecocode/prefer-shorthand-css-notations`
 - [#22](https://github.com/green-code-initiative/ecoCode-javascript/pull/22) Add rule `@ecocode/provide-print-css`
 - [#25](https://github.com/green-code-initiative/ecoCode-javascript/pull/25) Add license headers
 - [ecoCode#207](https://github.com/green-code-initiative/ecoCode/issues/207) Add release tag analyzis on SonarCloud