Create a dedicated tools section in reference docs. Move ansible/roles.md
to tools/ansible.md (broadened with CLI patterns), add new cards for Dagger,
ArgoCD CLI, and Pulumi. Update existing docs to reflect Dagger build process
and fix all [[roles]] wiki-links to [[ansible]].
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>