Creative Commons Attribution-ShareAlike 4.0 International (CC BY-SA 4.0)

Copyright (c) 2026 Kai Kreuzer, Deutsche Telekom IT GmbH

You are free to:
  Share — copy and redistribute the material in any medium or format
  Adapt — remix, transform, and build upon the material for any purpose,
          even commercially

Under the following terms:
  Attribution   — You must give appropriate credit, provide a link to the
                  license, and indicate if changes were made.
  ShareAlike    — If you remix, transform, or build upon the material, you
                  must distribute your contributions under the same license.

Full license text: https://creativecommons.org/licenses/by-sa/4.0/legalcode