finalized changelog

Author: lmajano

changelog.md

@@ -14,6 +14,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - New `modern` template for creating modern apps with the latest features
 - New `boxlang` template for creating apps with the latest boxlang features
 - Modernization of all templates to use the latest features of ColdBox
+- New `--boxlang` argument to create content for BoxLang
+- New `language` argument detection for BoxLang
 
 ### Changed