Dev/step size adjuster
Replacing the SpeedAdjuster of the GroupModel by a StepSizeAdjuster and change the potential calculations such that they did not depend on the geometric centroid.
2025-07-03: Due to updates GitLab may be unavailable for some minutes between 13:00 and 17:00.
Replacing the SpeedAdjuster of the GroupModel by a StepSizeAdjuster and change the potential calculations such that they did not depend on the geometric centroid.