Release to gradle plugin repo and updated readme

Author: jkasten2

README.md

@@ -2,3 +2,16 @@ OneSignal Gradle Plugin
 ====================================
 
 This Gradle plugin helps make the [OneSignal Android SDK](https://github.com/OneSignal/OneSignal-Android-SDK) compatible with your Android Studio project. It will automatically fix or notify you of required changes to make the SDK compatible with your app.
+
+## Setup
+Add the following to the top of your `app/build.gradle`
+```Gradle
+plugins {
+    id 'com.onesignal.androidsdk.onesignal-gradle-plugin' version '0.5.0'
+}
+apply plugin: 'com.onesignal.androidsdk.onesignal-gradle-plugin'
+```
+
+## Features
+- Automatic group alignment accross `com.google.android.gms`, `com.google.firebase`, and `com.android.support` dependencies. This will slove compile and runtime errors due to mixing versions bewteen these modules.
+- Future: Other warnings and checks OneSignal specific requirements such as app_id and notification icons.

build.gradle

@@ -18,6 +18,8 @@ version = '0.5.0'
 description 'OneSignal Gradle Plugin'
 
 pluginBundle {
+    website = 'http://onesignal.com/'
+    vcsUrl = 'https://github.com/OneSignal/OneSignal-Gradle-Plugin'
     plugins {
         plugin {
             id = 'com.onesignal.androidsdk.onesignal-gradle-plugin'