Released php copy/paste detector 8.0.0. Made codebase refactoring and updated environment for the support team. For phpcpd v8.0.0 minimum requirements is php 8.3. Updated composer dependencies and unit tests to the PHPUnit 11. Dev environment for support team updated to the php 8.4, Phing 3.0, added code quality tools: ecs, phpstan, added make commands and documentation.