feat: Migrate SAL to Cargo workspace

- Migrate individual modules to independent crates
- Refactor dependencies for improved modularity
- Update build system and testing infrastructure
- Update documentation to reflect new structure

virt/src/lib.rs

@@ -1,24 +1,24 @@
 //! # SAL Virt Package
-//! 
+//!
 //! The `sal-virt` package provides comprehensive virtualization and containerization tools
 //! for building, managing, and deploying containers and filesystem layers.
-//! 
+//!
 //! ## Features
-//! 
+//!
 //! - **Buildah**: OCI/Docker image building with builder pattern API
 //! - **Nerdctl**: Container lifecycle management with containerd
 //! - **RFS**: Remote filesystem mounting and layer management
 //! - **Cross-Platform**: Works across Windows, macOS, and Linux
 //! - **Rhai Integration**: Full support for Rhai scripting language
 //! - **Error Handling**: Comprehensive error types and handling
-//! 
+//!
 //! ## Modules
-//! 
+//!
 //! - [`buildah`]: Container image building with Buildah
 //! - [`nerdctl`]: Container management with Nerdctl
 //! - [`rfs`]: Remote filesystem operations
-//! 
-//! This package depends on `sal-process` for command execution and `sal-os` for 
+//!
+//! This package depends on `sal-process` for command execution and `sal-os` for
 //! filesystem operations.
 
 pub mod buildah;
@@ -28,6 +28,6 @@ pub mod rfs;
 pub mod rhai;
 
 // Re-export main types and functions for convenience
-pub use buildah::{Builder, BuildahError, ContentOperations};
-pub use nerdctl::{Container, NerdctlError, HealthCheck, ContainerStatus};
-pub use rfs::{RfsBuilder, PackBuilder, RfsError, Mount, MountType, StoreSpec};
+pub use buildah::{BuildahError, Builder, ContentOperations};
+pub use nerdctl::{Container, ContainerStatus, HealthCheck, NerdctlError};
+pub use rfs::{Mount, MountType, PackBuilder, RfsBuilder, RfsError, StoreSpec};