Virtualization SDK Docs - Virtual Source Initialize

[jeffngo]

Pull request checklist

Please check if your PR fulfills the following requirements:

• Tests for the changes have been added (for bug fixes / features)
• Docs have been reviewed and added / updated if needed (for bug fixes / features)
• Build was run locally and any changes were pushed
• Lint has passed locally and any fixes were made for failures

Pull request type

Please check the type of change your PR introduces:

• Bugfix
• Feature
• Code style update (formatting, renaming)
• Refactoring (no functional changes, no api changes)
• Build related changes
• Documentation content changes
• Other (please describe):
  Add CNAME to publish-docs.yml.

What is the current behavior?

The documentation that is on develop is not up to date.

What is the new behavior?

Clean cherry-pick of #316

Update docs on develop and create CNAME file each time we deploy to gh-pages to avoid commits like this during release day:
ce2d796

Does this introduce a breaking change?

• Yes
• No

Other information