// Copilot module
// Language: rust

//! Security module.
//!
//! This module provides a security interface for AbleOS.
//!
//! # Examples
//! ```
//! use crate::security::Security;
//!     
//! let mut security = Security::new();
//! security.add_user("admin", "password");
//! security.add_user("user", "password");
//! security.add_user("guest", "password");
//!     
//! assert_eq!(security.authenticate("admin", "password"), true);
//! assert_eq!(security.authenticate("user", "password"), true);
//! assert_eq!(security.authenticate("guest", "password"), true);
//! assert_eq!(security.authenticate("admin", "password2"), false);
//! assert_eq!(security.authenticate("user", "password2"), false);
//! assert_eq!(security.authenticate("guest", "password2"), false);
//! ```
