Fix descriptions of plugins and add them to the main index file (#116)

diff --git a/README.md b/README.md
index 46b63bb..9f803eb 100644
--- a/README.md
+++ b/README.md

@@ -18,10 +18,14 @@
 
 | Plugin | Pub |
 |--------|-----|
+| [android_intent](./packages/android_intent/) | [![pub package](https://img.shields.io/pub/v/android_intent.svg)](https://pub.dartlang.org/packages/android_intent) |
 | [battery](./packages/battery/) | [![pub package](https://img.shields.io/pub/v/battery.svg)](https://pub.dartlang.org/packages/battery) |
+| [connectivity](./packages/connectivity/) | [![pub package](https://img.shields.io/pub/v/connectivity.svg)](https://pub.dartlang.org/packages/connectivity) |
 | [google_sign_in](./packages/google_sign_in/) | [![pub package](https://img.shields.io/pub/v/google_sign_in.svg)](https://pub.dartlang.org/packages/google_sign_in) |
 | [image_picker](./packages/image_picker/) | [![pub package](https://img.shields.io/pub/v/image_picker.svg)](https://pub.dartlang.org/packages/image_picker) |
+| [package_info](./packages/package_info/) | [![pub package](https://img.shields.io/pub/v/package_info.svg)](https://pub.dartlang.org/packages/package_info) |
 | [path_provider](./packages/path_provider/) | [![pub package](https://img.shields.io/pub/v/path_provider.svg)](https://pub.dartlang.org/packages/path_provider) |
+| [quick_actions](./packages/quick_actions/) | [![pub package](https://img.shields.io/pub/v/quick_actions.svg)](https://pub.dartlang.org/packages/quick_actions) |
 | [share](./packages/share/) | [![pub package](https://img.shields.io/pub/v/share.svg)](https://pub.dartlang.org/packages/share) |
 | [shared_preferences](./packages/shared_preferences/) | [![pub package](https://img.shields.io/pub/v/shared_preferences.svg)](https://pub.dartlang.org/packages/shared_preferences) |
 | [url_launcher](./packages/url_launcher/) | [![pub package](https://img.shields.io/pub/v/url_launcher.svg)](https://pub.dartlang.org/packages/url_launcher) |

diff --git a/packages/connectivity/pubspec.yaml b/packages/connectivity/pubspec.yaml
index 26eb822..2dcacce 100644
--- a/packages/connectivity/pubspec.yaml
+++ b/packages/connectivity/pubspec.yaml

@@ -1,5 +1,5 @@
 name: connectivity
-description: A new flutter plugin project.
+description: Allows developers to discover the state of the network connectivity.
 version: 0.0.1
 author: Flutter Team <flutter-dev@googlegroups.com>
 homepage: https://github.com/flutter/plugins/tree/master/packages/connectivity

diff --git a/packages/quick_actions/pubspec.yaml b/packages/quick_actions/pubspec.yaml
index 69f926b..9ce81d9 100644
--- a/packages/quick_actions/pubspec.yaml
+++ b/packages/quick_actions/pubspec.yaml

@@ -1,5 +1,5 @@
 name: quick_actions
-description: A new flutter plugin project.
+description: Plugin that allows developers to define shortcuts on home screen.
 version: 0.0.1
 author: Flutter Team <flutter-dev@googlegroups.com>
 homepage: https://github.com/flutter/plugins/tree/master/packages/quick_actions