package: add github repository to package.json

Author: abarisain

package.json

@@ -2,6 +2,7 @@
   "name": "@batch.com/webview-inapp-sdk",
   "version": "1.0.0-beta.1",
   "description": "Batch.com's In-App messaging webview SDK. It is meant to be used in webview formats, which is displayed using our mobile SDKs.",
+  "repository": "git://github.com/BatchLabs/Batch-In-App-WebView-SDK.git",
   "main": "build/batch-webview-sdk.min.js",
   "files": [
     "build/batch-webview-sdk.min.js",