Add a how-to for the experimental "accelerated warm launch" APIs (#5915)

* initial commit

* attempt to clean up warnings

* fixes

* Updates for Style Guide compliance

* remove english text from diagrams

* add white background to diagrams

* fix rectangle in diagram

---------

Co-authored-by: Chris Swan <[email protected]>
Co-authored-by: Alvin Ashcraft <[email protected]>

Author: 3 people