Update CHANGELOG.md

Author: adriangl

CHANGELOG.md

@@ -22,7 +22,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 ### Added
-- Add configuration support to define custom resource file names.
+- Add configuration support to define custom resource file names. _Thanks to [@gustavaa](https://github.com/gustavaa) for the contribution!_
 ### Changed
 - No changed features!
 ### Deprecated