Updated spellcheck GitHub action used

Merge pull request #29 from dxc-technology/tom-halpin-patch-1

update the spellcheck action used

Updates to sequences diagrams

Merge pull request #28 from dxc-technology/sac01

fixed issue with publish sequence

Updates to sequences diagrams

Changed SaC Help overview diagram from a use case to a sequence diagram

* changed your mission from a use case to a sequence diagram

* changed SaCHelp overview diagram from a use case to a sequence diagram

* Committing workflow generated SVG files

1.0.1: minor documentation updates

* minor documentation updates

* minor documentation updates

* minor documentation updates

v1.0

initial commit (#20)