Include Group Reference URL in ScubaResults.json

[adhilto]

💡 Summary

What is the work, as a high-level summary? Add the link to the group markdown anchor to the ScubaResults.json file.

Motivation and context

See https://github.com/cisagov/ScubaGear/issues/1118.

Implementation notes

See https://github.com/cisagov/ScubaGear/issues/1118

Acceptance criteria

• [ ] The URLs are saved in the json as well as the html

[adhilto]

Depends on https://github.com/cisagov/ScubaGoggles/issues/200.