- Add a workflow for testing the publishing setup
- Add a workflow for publishing SAL crates to crates.io
- Improve crate metadata and version management
- Add optional dependencies for modularity
- Improve documentation for publishing and usage
- Migrate individual modules to independent crates
- Refactor dependencies for improved modularity
- Update build system and testing infrastructure
- Update documentation to reflect new structure
- Add a new `sal-os` package containing OS interaction utilities.
- Update workspace members to include the new package.
- Add README and basic usage examples for the new package.
