feat: Add Kubernetes module to SAL

- Add Kubernetes cluster management and operations
- Include pod, service, and deployment management
- Implement pattern-based resource deletion
- Support namespace creation and management
- Provide Rhai scripting wrappers for all functions
- Include production safety features (timeouts, retries, rate limiting)

rhai/Cargo.toml

@@ -29,6 +29,7 @@ sal-mycelium = { path = "../mycelium" }
 sal-text = { path = "../text" }
 sal-net = { path = "../net" }
 sal-zinit-client = { path = "../zinit_client" }
+sal-kubernetes = { path = "../kubernetes" }
 
 [dev-dependencies]
 tempfile = { workspace = true }