Update changelog

Author: rszamszur

CHANGELOG.md

@@ -2,6 +2,16 @@
 
 This file documents changes to [copier-generator](https://github.com/fastapi-mvc/copier-generator). The release numbering uses [semantic versioning](http://semver.org).
 
+## Unreleased
+
+### Features
+
+* Refactor Nix expressions to flake [fastapi-mvc/fastapi-mvc#241](https://github.com/fastapi-mvc/fastapi-mvc/issues/241). PR [#1](https://github.com/fastapi-mvc/copier-generator/pull/1)
+
+### Fixed
+
+* Templated copier.yml file [df62c2b](https://github.com/fastapi-mvc/copier-generator/commit/df62c2b994ca408570f0ee3657cfd0555d54ab94).
+
 ## 0.1.0 (09.10.2022)
 
 * Initial release - [fastapi-mvc/fastapi-mvc#172](https://github.com/fastapi-mvc/fastapi-mvc/issues/172)