Documentation Generation Streamlining/Github Integration

[tsole0]

The Problem
The current documentation generation system present in 6.0.0b2 has two looming issues:

• Generation takes way too long and impairs user access to the feature
• Generation is an "open loop" -- there is no way for users to submit their edited changes as a PR to SasView/SasModels

As a result of these two issues, the current implementation lacks purpose and may be confusing to users.

The Solution

Change the way documentation is generated:

• Only generate the HTML of the page of documentation that the user edited
  • This will disable links on the page, but generation should be near-instantaneous
• Move the functionality to re-build the entire documentation to the menu bar

Add a way for users to submit features:

• Find a way to upload user's documentation changes to GitHub
  • Currently considering creating a git diff and submitting to GitHub via a bot account
  • Security?
• Hide GitHub interaction from user to avoid confusion--automate the process as much as possible

The Goal

A more user-friendly documentation generator that can grow community contributions as designed

Future Expansion
Some kind of hack that will allow the user to generate only the documentation needed to properly display updated documentation without re-doing the entire documentation tree