Added repository field

Author: gunta

package.json

@@ -20,5 +20,9 @@
 		"node":  ">=0.6"
 	},
 	"homepage": "http://github.com/webpack/webpack-dev-middleware",
-	"main": "middleware.js"
-}
+	"main": "middleware.js",
+	"repository": { 
+		"type": "git",
+		"url" : "https://github.com/webpack/webpack-dev-middleware.git"
+	}
+}