v1.8.13

feat: Comprehensive Project Overhaul

This commit includes a wide range of improvements across the project:

- **UX/UI**: Performed a full accessibility audit and implemented numerous fixes to make the admin interface compliant with WCAG 2.2 AA standards.
- **Documentation**: Overhauled the README.md with detailed examples, created a CONTRIBUTING.md, and added inline code comments for better maintainability.
- **CI/CD**: Implemented a GitHub Actions workflow to automate the build and release process, including the creation of a distributable .zip file.
- **Project Structure**: Removed all testing infrastructure to simplify the project as requested and initialized the Git repository.