Update changelog

Author: kimo-k

CHANGELOG.md

@@ -7,6 +7,7 @@ All notable changes to this project will be documented in this file. This change
 
 - New preload namespace, compatible with React 18: `day8.re-frame-10x.preload.react-18`. See #367
 - "Copy repl command" for subscriptions. This lets you reliably get a specific subscription value for a specific epoch. See #205
+- [Project-level configuration](https://github.com/day8/re-frame-10x#project-configuration). See #202
 
 #### Changed