feat: add The Craft of Programming for #2999 (#3417)

free-programming-books.md

@@ -774,6 +774,7 @@ Kerridge (PDF) (email address *requested*, not required)
 * [Structure and Interpretation of Computer Programs](https://mitpress.mit.edu/sicp/)
 * [Structure and Interpretation of Computer Programs](http://sarabander.github.io/sicp/html/index.xhtml)
 * [The Black Art of Programming](http://self.gutenberg.org/wplbn0002828847-the-black-art-of-programming-by-mcilroy-mark.aspx?) - Mark McIlroy
+* [The Craft of Programming](https://kilthub.cmu.edu/articles/The_Craft_of_Programming/6610514) - John C. Reynolds
 * [Think Complexity](http://www.greenteapress.com/compmod/) - Allen B. Downey