The Backstage integration documentation doesn't show up in search results, making it difficult for users to find when they need it.

The documentation exists at github.com/coder/backstage-plugins but isn't easily discoverable through our main documentation search.

This came up during a customer demo preparation where the team couldn't quickly locate the Backstage integration docs.

Expected behavior:
Backstage integration documentation should be easily discoverable through documentation search.

Current behavior:
Backstage docs don't appear in search results, requiring users to know the exact repository location.