Updated changelog

Author: jfy133

CHANGELOG.md

@@ -7,6 +7,8 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 
 ### `Added`
 
+- [#769](https://github.com/nf-core/eager/issues/769) - Adds lc_extrap mode to preseq (requested by @roberta-davidson)
+
 ### `Fixed`
 
 ### `Dependencies`