Added AR module

[SushrutHarness]

New Docs for AR module. To Do:

• Release notes
• KB?
• Docs landing page img: Light and dark
• Get Started guide (once done add links to landing page and home page)
• Content check to make sure open source version of docs line up with enterprise version
• LandingPage.tsx and featurelist (What does this do?)
• Future work: Roadmap.

Description

• Please describe your changes: __________________________________
• Jira/GitHub Issue numbers (if any): ______________________________
• Preview links/images (Internal contributors only): __________________

PR lifecycle

We aim to merge PRs within one week or less, but delays happen sometimes.

If your PR is open longer than two weeks without any human activity, please tag a code owner in a comment.

PRs must meet these requirements to be merged:

• [ ] Successful preview build.
• [ ] Code owner review.
• [ ] No merge conflicts.
• [ ] Release notes/new features docs: Feature/version released to at least one prod environment.