Embed all slide decks

[gracelawley]

Slide decks to embed:

• https://stat545-book.netlify.com/automation-slides.html
• https://stat545-book.netlify.com/shiny-slides.html
• https://stat545-book.netlify.com/web-data-slides.html

Slide decks already embedded

• https://stat545-book.netlify.com/graphics-slides.html
• https://stat545-book.netlify.com/package-slides.html