Add `clone` glossary link. Many more glossary links to follow.
Merge branch 'master' into enhance-foundations-outlines-cheat
Merge branch 'master' into enhance-foundations-outlines-cheat

Conflicts:
	cheatsheets/github-foundations.md
Replace "Outlines" and "Cheatsheets" with unified "Workbook" pages
Move Outline (deprecated) stylesheet in favor of Workbook naming
Add workbook "scope" wrappers around Foundations content
Move tab styling to core as its used across many sub-page stylesheets
Add content scope hide/show styles
Add first pass of "scope" styles hide/show functionality
Add missing Workbook stylesheet artifact
Fix function name clarity
Replace all fenced code blocks with HTML wrappers to support classes

Markdown provides no means of applying a class attribute to elements
so all code blocks have been wrapped in basic HTML <pre> and <code>
to support the three "scope" views of the content.
Simplified shared styling, moved to core.scss
Add initial page-load content-scope styles
Fill in tertiary topic headings
Fix build path for stylesheets after refactor
Fix build path for stylesheets, fixing path typo
Revised entire Workbook flow to "purpose driven" explanations
Tweak styles for improved workbook layout
Fix which content scope hides/shodes on toggle