docs: Update changelog for version 0.2.1

CHANGELOG.md

@@ -6,6 +6,18 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
 <!-- insertion marker -->
+## [0.2.1](https://github.com/mkdocstrings/handler-template/releases/tag/0.2.1) - 2023-09-04
+
+<small>[Compare with 0.2.0](https://github.com/mkdocstrings/handler-template/compare/0.2.0...0.2.1)</small>
+
+### Bug Fixes
+
+- Add missing insiders parts ([761b339](https://github.com/mkdocstrings/handler-template/commit/761b3394e84dc7b02c97bbed3f2fd086668c915c) by Timothée Mazzucotelli).
+
+### Code Refactoring
+
+- Add examples to first Copier questons ([bbc0473](https://github.com/mkdocstrings/handler-template/commit/bbc0473c7fb26a888d87fb1cf4eb37103fc81ddb) by Timothée Mazzucotelli).
+
 ## [0.2.0](https://github.com/mkdocstrings/handler-template/releases/tag/0.2.0) - 2023-09-04
 
 <small>[Compare with 0.1.1](https://github.com/mkdocstrings/handler-template/compare/0.1.1...0.2.0)</small>