docs: add PROJECT_STRUCTURE.md to provide an overview of the project structure
feat(sync.py): enable administrator permissions check for the sync command to ensure security
refactor(schema.prisma): add autoincrement() to id fields in Infractions, Notes, Reminders models for automatic id generation
feat(controllers.py): add toggle_afk method in UsersController to enable/disable afk status
refactor(controllers.py): remove infraction_id from create_infraction method in InfractionsController as id is autoincremented
feat(controllers.py): add create_note, delete_note, update_note methods in NotesController for note management