Convenience rule for verifying checked-in documentation matches Stardoc output

We could probably leverage Stardoc's existing test-verification rules and provide users some convenience rules to help in managing checked-in Stardoc output.

Start by examining Stardoc's existing test-verification rules and how they handle checked-in generated documentation. Determine the scope of the proposed convenience rules and consider the user workflow they should support; the work is done when checked-in Stardoc output can be conveniently verified against generated output.

Written by the indexing model from the issue text.