Add Pub badge (flutter#96)

mit-mit · tvolkert · commit d92d00f452e5 · 2018-07-13T10:43:48.000-07:00
diff --git a/packages/file/README.md b/packages/file/README.md
@@ -1,4 +1,5 @@
 [![Build Status](https://travis-ci.org/google/file.dart.svg?branch=master)](https://travis-ci.org/google/file.dart)
+[![pub package](https://img.shields.io/pub/v/file.svg)](https://pub.dartlang.org/packages/file)
 
 # File
 

Original file line number	Diff line number	Diff line change
`@@ -1,4 +1,5 @@`
`1`	`1`	`[![Build Status](https://travis-ci.org/google/file.dart.svg?branch=master)](https://travis-ci.org/google/file.dart)`
	`2`	`+[![pub package](https://img.shields.io/pub/v/file.svg)](https://pub.dartlang.org/packages/file)`
`2`	`3`
`3`	`4`	`# File`
`4`	`5`