Use ghpages gem

[mccalluc]

If you a deploying with ghpages, you should preview locally with the ghpages gem.

• Simpler
• Fewer surprises

[mccalluc]

Bill commits to review by next Friday, January 21, 2022.

[mccalluc]

The github pages environment uses Ruby 2.7.3. Given the number of quirks that can arise between different markdown engines, I think it is important that when the documentation team locally previews the documentation they are using the same environment as production.