Added a new book (#2052)

* Added a new book

* Updated incorrect name

No idea how that got changed in earlier commit

free-programming-books.md

@@ -1098,6 +1098,7 @@
 * [Practical Cryptography With Go](https://leanpub.com/gocrypto/read)
 * [The Go Tutorial](http://tour.golang.org)
 * [The Little Go Book](https://github.com/karlseguin/the-little-go-book)
+* [Web apps in Go, the anti textbook](https://github.com/thewhitetulip/web-dev-golang-anti-textbook/)
 
 
 ### Groovy