Add web app golang tutorial
@@ -1532,6 +1532,7 @@ Where to discover new Go libraries.
### Tutorials
* [A Tour of Go](http://tour.golang.org/) - Interactive tour of Go.
+* [Build web application with Golang](https://github.com/astaxie/build-web-application-with-golang) - A golang ebook intro how to build a web app with golang.
* [Building Go Web Applications and Microservices Using Gin](https://semaphoreci.com/community/tutorials/building-go-web-applications-and-microservices-using-gin) - Get familiar with Gin and find out how it can help you reduce boilerplate code and build a request handling pipeline.
* [Go By Example](https://gobyexample.com/) - A hands-on introduction to Go using annotated example programs.
* [Go Cheat Sheet](https://github.com/a8m/go-lang-cheat-sheet) - A Go's reference card.
