fix: exception caused by missing config block

Author: a.pirogov

CHANGELOG.md

@@ -4,10 +4,15 @@ Here we provide notes that summarize the most important changes in each released
 
 Please consult the changelog to inform yourself about breaking changes and security issues.
 
+## [v0.2.1](https://github.com/Materials-Data-Science-and-Informatics/somesy/tree/v0.2.0) <small>(2023-11-29)</small> { id="0.2.1" }
+
+* **internal:** updated linters and dependencies
+* fix bug caused by missing `config` section
+
 ## [v0.2.0](https://github.com/Materials-Data-Science-and-Informatics/somesy/tree/v0.2.0) <small>(2023-11-29)</small> { id="0.2.0" }
 
-* Test refactoring
-* Pydantic 2 implementation
+* **internal:** Test refactoring
+* **internal:** Pydantic 2 implementation
 * Added `publication_author` field to Person model
 
 ## [v0.1.0](https://github.com/Materials-Data-Science-and-Informatics/somesy/tree/v0.1.0) <small>(2023-08-10)</small> { id="0.1.0" }