Replace godoc with pkg.go.dev

Change the Go documentation location to `pkg.go.dev`.

README.md

@@ -4,7 +4,7 @@
 [![Go Report Card](https://goreportcard.com/badge/github.com/gonvenience/ytbx)](https://goreportcard.com/report/github.com/gonvenience/ytbx)
 [![Build Status](https://travis-ci.org/gonvenience/ytbx.svg?branch=main)](https://travis-ci.org/gonvenience/ytbx)
 [![Codecov](https://img.shields.io/codecov/c/github/gonvenience/ytbx/main.svg)](https://codecov.io/gh/gonvenience/ytbx)
-[![GoDoc](https://godoc.org/github.com/gonvenience/ytbx/pkg?status.svg)](https://godoc.org/github.com/gonvenience/ytbx/pkg)
+[![PkgGoDev](https://pkg.go.dev/badge/github.com/gonvenience/ytbx)](https://pkg.go.dev/github.com/gonvenience/ytbx)
 [![Release](https://img.shields.io/github/release/gonvenience/ytbx.svg)](https://github.com/gonvenience/ytbx/releases/latest)
 
 Golang package with convenience functions to load and process YAML files