Add CHANGELOG entry

Author: AliSoftware

CHANGELOG.md

@@ -13,6 +13,7 @@ _None_
 * Add the option for `an_localize_libs` to provide a `source_id` for each library being merged.  
   If provided, that identifier will be added as an `a8c-src-lib` XML attribute to the `<string>` nodes being updated with strings from said library.
   This can be useful to help identify where each string come from in the resulting, merged `strings.xml`. [#351]
+* Add the option for `an_localize_libs` to set the `tools:ignore="UnusedResources"` XML attribute for each string being merged from a library. [#354]
 
 ### Bug Fixes