Prepare for v0.2.1

Author: tovrstra

CHANGELOG.md

@@ -7,6 +7,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [0.2.1] - 2024-10-08
+
 ## Fixed
 
 - Fix bug in `PairwiseForceField` class: use `rmax` only, never `rcut`.
@@ -41,6 +43,7 @@ Initial release. See README.md for a description of all features.
 
 
 [Unreleased]: https://github.com//molmod/tinyff
+[0.2.1]: https://github.com/molmod/tinyff/tag/v0.2.1
 [0.2.0]: https://github.com/molmod/tinyff/tag/v0.2.0
 [0.1.0]: https://github.com/molmod/tinyff/tag/v0.1.0
 [0.0.0]: https://github.com/molmod/tinyff/tag/v0.0.0