Update GoDoc badge

Author: Sergio Andres Virviescas Santana

README.md

@@ -2,7 +2,7 @@
 
 [![Build Status](https://travis-ci.org/fasthttp/websocket.svg?branch=master)](https://travis-ci.org/fasthttp/websocket)
 [![Go Report Card](https://goreportcard.com/badge/github.com/fasthttp/websocket)](https://goreportcard.com/report/github.com/fasthttp/websocket)
-[![GoDoc](https://godoc.org/github.com/fasthttp/websocket?status.svg)](https://godoc.org/github.com/fasthttp/websocket)
+[![GoDev](https://img.shields.io/badge/go.dev-reference-007d9c?logo=go&logoColor=white)](https://pkg.go.dev/github.com/fasthttp/websocket)
 [![GitHub release](https://img.shields.io/github/release/fasthttp/websocket.svg)](https://github.com/fasthttp/websocket/releases)
 
 [Gorilla WebSocket](https://github.com/gorilla/websocket) is a [Go](http://golang.org/) implementation of the