feat: Implement Kubernetes client and example

- Add Kubernetes client module for interacting with kubectl
- Implement methods to get cluster info, pods, deployments, and services
- Create a Kubernetes example script demonstrating client usage
- Add JSON response structs for parsing kubectl output
- Define runtime resource structs (Pod, Deployment, Service) for structured data
- Include comprehensive unit tests for data structures and client logic

lib/data/markdown/elements/element_frontmatter2.v

@@ -1,7 +1,5 @@
 module elements
 
-import toml
-
 // Frontmatter2 struct
 @[heap]
 pub struct Frontmatter2 {