Change Homepage in Pubspec

• Due to the way Pub presents package pages, we're changing the homepage in our Pubspec to point at our git repo

Author: Nightsd01

pubspec.yaml

@@ -2,7 +2,7 @@ name: onesignal
 description: OneSignal is a free push notification service for mobile apps. This plugin makes it easy to integrate your flutter app with OneSignal
 version: 1.0.5
 author: Brad Hesse <[email protected]>, Josh Kasten <[email protected]>
-homepage: https://www.onesignal.com
+homepage: https://github.com/OneSignal/OneSignal-Flutter-SDK
 
 flutter:
   plugin: