Update CHANGELOG

CHANGELOG.MD

@@ -8,9 +8,20 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/)
 vNext
 -----
 
-- Added GitHub Actions config
-- Added `CHANGELOG.md`
-- Improved example code
+### Added
+
+- Added GitHub Actions config ([commit](https://github.com/philippgille/chromem-go/commits/fae84f2069ec28bbf9f4e30dca569f447d6aee6a))
+- Added `CHANGELOG.md` ([commit](https://github.com/philippgille/chromem-go/commits/7ecd0d2e9d091aa5affbdb26cb96039e6270de31))
+- Exported embedding creation functions ([commit](https://github.com/philippgille/chromem-go/commits/421731f0f98a7f4b3c65a48c4e717c37f55d5a18))
+- Added `Collection.AddConcurrently` to add embeddings concurrently ([commit](https://github.com/philippgille/chromem-go/commits/42de6ecec0d8ffe062bf199cc23f17bf9df71872))
+
+### Improved
+
+- Improved example code ([commit](https://github.com/philippgille/chromem-go/commits/c6437611d2fd48c5458b1932d5df62f90501981f))
+- Removed unused field in `Client` ([commit](https://github.com/philippgille/chromem-go/commits/09cbc274d340f5a44c047aa034fa7bf886069b68))
+- Improved validation in `Query` method ([commit](https://github.com/philippgille/chromem-go/commits/8345608cca4c19b5c73d95146530b0caa29d6434))
+- Added and improved Godoc ([commit](https://github.com/philippgille/chromem-go/commits/e62d362f8a54655fde9d01b27a1e3a4b65e1c426))
+- Improved locking around a collection's documents ([commit](https://github.com/philippgille/chromem-go/commits/124009c9ae255942dc49370d5f02cb26b6cde5c4))
 
 v0.1.0 (2023-12-29)
 -------------------