Directory - show differences between 2 versions of a product

[grugnog]

This can help with evaluations of new versions - was a new assessment completed? What changed?

[mgifford]

This ability to see variations and evolutions within a product would be great. We want to be able to demonstrate that a given piece of software is getting more accessible over time.

This could be a very powerful future extension to this project.

[mgifford]

Related to #114

Probably would be similar interface, although one might be comparing two different files, and the other two different versions of the same file (via version control).

[dmundra]

From sprint review 08/26/21 meeting:

• YAML hash or git commit has to distinguish between versions.
• HTML color comparison between versions (or like congress the arrow up/down / flat)

[dmundra]

Industry is interested in comparing release to release. +1