Update readme.

README.md

@@ -1,7 +1,9 @@
-# Nacelle Config [![GoDoc](https://godoc.org/github.com/go-nacelle/config?status.svg)](https://godoc.org/github.com/go-nacelle/config) [![CircleCI](https://circleci.com/gh/go-nacelle/config.svg?style=svg)](https://circleci.com/gh/go-nacelle/config) [![Coverage Status](https://coveralls.io/repos/github/go-nacelle/config/badge.svg?branch=master)](https://coveralls.io/github/go-nacelle/config?branch=master)
+<div align="center"><img width="160" src="https://raw.githubusercontent.com/go-nacelle/nacelle/master/images/nacelle.png" alt="Nacelle logo"></div>
 
-Configuration loading and validation for [nacelle](https://nacelle.dev).
+# Configuration loading and validation for Nacelle
+
+[![PkgGoDev](https://pkg.go.dev/badge/badge/github.com/go-nacelle/config.svg)](https://pkg.go.dev/github.com/go-nacelle/config) [![CircleCI status](https://circleci.com/gh/go-nacelle/config.svg?style=svg)](https://circleci.com/gh/go-nacelle/config) [![Coverage status](https://coveralls.io/repos/github/go-nacelle/config/badge.svg?branch=master)](https://coveralls.io/github/go-nacelle/config?branch=master) ![Sonarcloud bugs count](https://sonarcloud.io/api/project_badges/measure?project=go-nacelle_config&metric=bugs) ![Sonarcloud vulnerabilities count](https://sonarcloud.io/api/project_badges/measure?project=go-nacelle_config&metric=vulnerabilities) ![Sonarcloud maintainability rating](https://sonarcloud.io/api/project_badges/measure?project=go-nacelle_config&metric=sqale_rating) ![Sonarcloud code smells count](https://sonarcloud.io/api/project_badges/measure?project=go-nacelle_config&metric=code_smells)
 
 ---
 
-TODO
+See the package documentation on [nacelle.dev](https://nacelle.dev/docs/topics/config).