A new file, LICENSES/CC0-1.0.txt, has been created to provide the Creative Commons Zero v1.0 Universal license for the project. Additionally, SPDX headers specifying the MIT license and copyright details have been added to each of the GitHub workflow files, enhancing the clarity and compliance of the project's license utilization.
All source code files as well as README.md, .gitignore, and various configuration files have been updated with an SPDX license identifier, changing license from CC0-1.0 to MIT. The copyright year has been updated to 2023, and the copyright holder's email address has been corrected from 'winni@neessen.dev' to 'wn@neessen.dev'. An MIT license text file has been additionally added.