Virtualization SDK Docs - Final VSDK 3.0.0 docs and release changes (#311)

[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):

What is the current behavior?

Issue Number: N/A

What is the new behavior?

• Added two new sections in Breaking Changes regarding new and renamed optional snapshot parameters
• Updated docs with new and renamed optional snapshot parameters
• Added a little more description to new features.

Does this introduce a breaking change?

• Yes
• No

Other information