Add .cspell.json with required flagWords block and module-specific words
Add .gitignore
Add authors and support sections to composer.json
Fix core_version_requirement from ^11.1 to ^11 in info.yml and composer.json
Convert procedural hook_cron() to OOP hook in src/Hook/NodeCleanupHooks.php
with ConfigFactoryInterface, TrashManager, and LoggerChannelFactoryInterface
injected via constructor; removes \Drupal:: static calls
Inject FormBuilderInterface explicitly in NodeCleanupController instead of
relying on ControllerBase magic helper method
