put everything under the unreleased v0.0.1 in the changelog

Author: kjfisch

CHANGELOG.rst

@@ -9,17 +9,13 @@ CHANGELOG file
   - keep the format consistent (79 char width, Y/M/D date format) and do not
     use tabs but use spaces for formatting
 
-Unreleased
-----------
-Henrik Stooß
 
-- Update the documentation (#8)
-
-v0.0.1 (2025/08/05)
+Unreleased v0.0.1 (2025/08/05)
 -------------------
-Kira Fischer, Philip Loche
+Kira Fischer, Philip Loche, Henrik Stooß
 
 - Migrated ``RDFDiporder`` and ``DiporderStructureFactor`` from MAICoS
+- Update the documentation (#8)
 - Update to Python 3.14 support
 - Updated the docs with Whatis section
 - Migrated code from maicos to scatterkit