message: [TechDocs] Add metadata to cli docs
diff: -# TechDocs CLI
  +---
  +id: cli
  +title: TechDocs CLI
  +# prettier-ignore
  +description: TechDocs CLI - a utility command line interface for managing TechDocs sites in Backstage.
  +---
  Utility command line interface for managing TechDocs sites in
  [Backstage](https://github.com/backstage/backstage).
  