Update changelog

CHANGELOG.md

@@ -7,6 +7,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## Unreleased
 
+### Added
+
+- Added a _Coverage_ rule to the _Emergency Fund_ section on the _X-ray_ page
+
 ### Changed
 
 - Improved the check for duplicates in the preview step of the activities import (regardless of the account)