Use pkg.go.dev domain (julienschmidt#346)

* fix: use the new pkg.go.dev domain instead of godoc.org

* Revert "fix: use the new pkg.go.dev domain instead of godoc.org"

This reverts commit 7c3a938.

* fix: use the new pkg.go.dev domain instead of godoc.org

* Update README.md

Author: josemukorivo

README.md

@@ -1,4 +1,4 @@
-# HttpRouter [![Build Status](https://travis-ci.org/julienschmidt/httprouter.svg?branch=master)](https://travis-ci.org/julienschmidt/httprouter) [![Coverage Status](https://coveralls.io/repos/github/julienschmidt/httprouter/badge.svg?branch=master)](https://coveralls.io/github/julienschmidt/httprouter?branch=master) [![GoDoc](https://godoc.org/github.com/julienschmidt/httprouter?status.svg)](http://godoc.org/github.com/julienschmidt/httprouter)
+# HttpRouter [![Build Status](https://travis-ci.org/julienschmidt/httprouter.svg?branch=master)](https://travis-ci.org/julienschmidt/httprouter) [![Coverage Status](https://coveralls.io/repos/github/julienschmidt/httprouter/badge.svg?branch=master)](https://coveralls.io/github/julienschmidt/httprouter?branch=master) [![Docs](https://godoc.org/github.com/julienschmidt/httprouter?status.svg)](http://pkg.go.dev/github.com/julienschmidt/httprouter)
 
 HttpRouter is a lightweight high performance HTTP request router (also called *multiplexer* or just *mux* for short) for [Go](https://golang.org/).
 
@@ -28,7 +28,7 @@ Of course you can also set **custom [`NotFound`](https://godoc.org/github.com/ju
 
 ## Usage
 
-This is just a quick introduction, view the [GoDoc](http://godoc.org/github.com/julienschmidt/httprouter) for details.
+This is just a quick introduction, view the [Docs](http://pkg.go.dev/github.com/julienschmidt/httprouter) for details.
 
 Let's start with a trivial example: