#90 add documentation for ZeroTrustProxy, create new heading for this…

[dwheel7]

… information

Pull Request

Intent

add documentation for Zero Trust Proxy/SAML gathered from RedCap work

Proposed Changes

add new heading and page for SAML documentation

Changes to Section Headers

creation of new SAML section

Changes to Page URLs

creation of new SAML section

Related or Fixed Issues

Related to #90

Accessibility Checklist

I have ensured all of the following for new or changed content:

• all images have appropriate alt text. Guidelines
• all images with text have sufficient contrast ratio. Checker
• all image text is transcribed or described in body text.
• all technical terms, jargon, and abbreviations are introduced before they are used.

Style Checklist

I have done all of the following:

• searched for other relevant pages and crosslinked from my content to them.
• searched for other relevant pages and crosslinked from them to my content.
• added redirects in mkdocs.yml for any moved headers or pages.
• defined new technical terms, jargon, and abbreviations in the glossary.
• searched for existing technical terms, jargon, and abbreviations in the glossary and added crosslinks to them.
• properly formatted and introduced key branding terms. List here.

[dwheel7]

@wwarriner I haven't touched the conflict here yet because it seems strange to me to wipe out that entire section. is that the correct change?