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

rhai/Cargo.toml

@@ -9,13 +9,13 @@ license = "Apache-2.0"
 
 [dependencies]
 # Core Rhai engine
-rhai = { version = "1.12.0", features = ["sync"] }
+rhai = { workspace = true }
 
 # Error handling
-thiserror = "2.0.12"
+thiserror = { workspace = true }
 
 # UUID for temporary file generation
-uuid = { version = "1.16.0", features = ["v4"] }
+uuid = { workspace = true }
 
 # All SAL packages that this aggregation package depends on
 sal-os = { path = "../os" }
@@ -31,4 +31,4 @@ sal-net = { path = "../net" }
 sal-zinit-client = { path = "../zinit_client" }
 
 [dev-dependencies]
-tempfile = "3.5"
+tempfile = { workspace = true }