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

Author: tom-halpin

CHANGELOG.md

@@ -5,6 +5,10 @@ All notable changes to the Sequences As Code (SaC) project will be documented in
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [1.0.2] - 2020-08-16
+
+- Updated some sequence diagrams
+
 ## [1.0.1] - 2020-08-05
 
 - Minor documentation updates