docs: add to changelog

Author: g-saracca

CHANGELOG.md

@@ -8,6 +8,8 @@ This changelog follows the principles of [Keep a Changelog](https://keepachangel
 
 ### Added
 
+- New Use Case: [Get Collections For Linking Use Case](./docs/useCases.md#get-collections-for-linking).
+
 ### Changed
 
 ### Fixed