move build badge (#8)

* move build badge

* re-order

Author: pq

README.md

@@ -1,5 +1,5 @@
 [![pub package](https://img.shields.io/pub/v/lints.svg)](https://pub.dev/packages/lints)
+[![Build Status](https://github.com/dart-lang/lints/workflows/validate/badge.svg)](https://github.com/dart-lang/lints/actions)
 
 This repo contains official Dart and Flutter lint rules.
 
-[![Build Status](https://github.com/dart-lang/lints/workflows/validate/badge.svg)](https://github.com/dart-lang/lints/actions)