A round of edits for length (#1278)

* Move workflow section into Quarto chapter

* Delete removed chapter

* - Hide figures in exercises
- Change eval: false to fig-show: hide

* Remove

* Fix color scale, closes #1243

* Fix plot size

* Reduce image size + formatted excel discussion

* Shorten URLs where possible

* Fix text running off the page on PDF

* Address figure sizing issue

* Re-org removes the need for this reference

* Remove one plot to reduce redundancy

* Read thru

* Minor edits

* Add ggthemes

quarto/markdown.qmd

@@ -1,6 +1,10 @@
 ## Text formatting
 
-*italic* **bold** [underline]{.underline} ~~strikeout~~ [small caps]{.smallcaps} `code` superscript^2^ and subscript~2~
+*italic* **bold** ~~strikeout~~ `code`
+
+superscript^2^ subscript~2~
+
+[underline]{.underline} [small caps]{.smallcaps}
 
 ## Headings