Move Getting started category to top-level doc set (#20008)

* Move category to top-level doc set

* Move doc set to the top and update short title

* Undo package-lock changes

* updated hardcoded refs in tests

* Update test

* Fix hardcoded link in test

Co-authored-by: Sarah Schneider <sarahs@github.com>

content/get-started/using-github/github-cli.md

@@ -0,0 +1,35 @@
+---
+title: GitHub CLI
+intro: '{% data variables.product.prodname_cli %} is a command-line tool that brings pull requests, issues, {% data variables.product.prodname_actions %}, and other {% data variables.product.product_name %} features to your terminal, so you can do all your work in one place.'
+versions:
+  free-pro-team: '*'
+  enterprise-server: '>2.19'
+  github-ae: '*'
+topics:
+  - CLI
+redirect_from:
+  - /github/getting-started-with-github/github-cli
+  - /github/getting-started-with-github/using-github/github-cli
+---
+## About {% data variables.product.prodname_cli %}
+
+{% data variables.product.prodname_cli %} is an open source tool for using {% data variables.product.product_name %} from your computer's command line. When you're working from the command line, you can use the {% data variables.product.prodname_cli %} to save time and avoid switching context.
+
+The {% data variables.product.prodname_cli %} includes {% data variables.product.prodname_dotcom %} features such as:
+
+- View, create, clone, and fork repositories
+- Create, close, and list issues and pull requests
+- Review, diff, and merge pull requests
+- Run, view, and list workflows
+- Create, list, view, and delete releases
+- Create, edit, list, view, and delete gists
+
+For more information about what you can do with {% data variables.product.prodname_cli %}, see the [{% data variables.product.prodname_cli %} manual](https://cli.github.com/manual).
+
+## Installing {% data variables.product.prodname_cli %}
+
+View installation instructions {% data variables.product.prodname_cli %} for macOS, Windows, and Linux on the [{% data variables.product.prodname_cli %} page](https://cli.github.com).
+
+## Sharing feedback
+
+If you have feedback or feature requests, you can open an issue in the [`cli/cli` repository](https://github.com/cli/cli).