Add pub badges (#40)

Author: goderbauer

packages/firebase_analytics/README.md

@@ -1,5 +1,7 @@
 # Firebase Analytics for Flutter
 
+[![pub package](https://img.shields.io/pub/v/firebase_analytics.svg)](https://pub.dartlang.org/packages/firebase_analytics)
+
 **WARNING: this is incomplete and highly experimental**
 
 This plugin allows Flutter apps use the Firebase Analytics API from their Dart

packages/firebase_auth/example/README.md

@@ -1,5 +1,7 @@
 # firebase_auth_example
 
+[![pub package](https://img.shields.io/pub/v/firebase_auth.svg)](https://pub.dartlang.org/packages/firebase_auth)
+
 Demonstrates how to use the firebase_auth plugin.
 
 ## Getting Started

packages/firebase_database/README.md

@@ -1,5 +1,7 @@
 # firebase_database
 
+[![pub package](https://img.shields.io/pub/v/firebase_database.svg)](https://pub.dartlang.org/packages/firebase_database)
+
 A new flutter plugin project.
 
 ## Getting Started

packages/firebase_storage/README.md

@@ -1,5 +1,7 @@
 # firebase_storage
 
+[![pub package](https://img.shields.io/pub/v/firebase_storage.svg)](https://pub.dartlang.org/packages/firebase_storage)
+
 A new flutter plugin project.
 
 ## Getting Started

packages/image_picker/README.md

@@ -1,5 +1,10 @@
+# Image Picker plugin for Flutter
+
+[![pub package](https://img.shields.io/pub/v/image_picker.svg)](https://pub.dartlang.org/packages/image_picker)
+
 A Flutter wrapper for the native image picker.
 
+
 Note: This is a work-in-progress, and is not fully supported by the Flutter team.
 
 ## Issues and feedback

packages/path-provider/README.md

@@ -1,5 +1,7 @@
 # path_provider
 
+[![pub package](https://img.shields.io/pub/v/path_provider.svg)](https://pub.dartlang.org/packages/path_provider)
+
 A Flutter plugin for finding commonly used locations on the filesystem. Supports iOS and Android.
 
 

packages/share/README.md

@@ -1,5 +1,7 @@
 # share
 
+[![pub package](https://img.shields.io/pub/v/share.svg)](https://pub.dartlang.org/packages/share)
+
 A Flutter plugin to share content from your Flutter app via the platform's
 share dialog.
 

packages/shared-preferences/README.md

@@ -1,5 +1,7 @@
 # shared_preferences
 
+[![pub package](https://img.shields.io/pub/v/shared_preferences.svg)](https://pub.dartlang.org/packages/shared_preferences)
+
 Wraps NSUserDefaults (on iOS) and SharedPreferences (on Android), providing
 a persistent store for simple data. Data is persisted to disk automatically
 and asynchronously.

packages/url-launcher/README.md

@@ -1,5 +1,7 @@
 # url_launcher
 
+[![pub package](https://img.shields.io/pub/v/url_launcher.svg)](https://pub.dartlang.org/packages/url_launcher)
+
 A Flutter plugin for launching a URL in the mobile platform. Supports iOS and Android.
 
 ## Usage