Update README.md
Update README.md
Update README.md
Update README.md
Update README.md
Update README.md
Intro, reference and TOC, testing TOC style
TOC style, H1 style, sub structure style

TOC as bullets, H1's in all caps, sub structure H2s as blockquotes.
Change H2s to blockquote, to differentiate.
Headers section includes body text.
Added horizontal rules, Changed vid to embed section
Add emoji
remove blockquote from emoji h3s
Emoji cheatsheet in reference.
Add syntax h3 with green check emoji
Emphasis section initial.
semantic blurb in emphasis section
Tweak of references
Update emoji on showcase
Github style