Add Changelog link to Readme

Author: Pe Ell

README.md

@@ -524,6 +524,10 @@ If you discover any security related issues, please email a.komarev@cybercog.su
 - [Anton Komarev](https://github.com/a-komarev)
 - [All Contributors](../../contributors)
 
+## Changelog
+
+Please see [CHANGELOG](CHANGELOG.md) for more information on what has changed recently.
+
 ## Alternatives
 
 *Not found.*