New : Added composer.json

Added composer.json file which will help this module for submission on proposed extension.silverstripe.org website. Please add more fields according to requirements.

For more information please visit at http://extension.openbees.org/instructions/

composer.json

@@ -0,0 +1,19 @@
+{
+	"name": "silverstripe-labs/googlesitemaps",
+	"description": "SilverStripe provides support for the Google Sitemaps XML system, enabling
+		Google and other search engines to see all urls on your site. This helps
+		your SilverStripe website rank well in search engines, and to encourage the
+		information on your site to be discovered by Google quickly.",
+	"type": "silverstripe-module",
+	"keywords": ["silverstripe-labs", "googlesitemaps", "map"],
+	"authors": [
+	{
+		"name": "Will Rossiter",
+		"email": "will@fullscreen.io"
+	}
+	],
+	"require":
+	{
+		"silverstripe/framework": "3.*"
+	}
+}