Add "repository" to package.json (#9)

Will Myers · web-flow · commit 8892ab08d2c8 · 2016-10-13T18:06:04.000-04:00
diff --git a/package.json b/package.json
@@ -2,6 +2,7 @@
   "name": "@button/button-client-node",
   "version": "2.1.1",
   "description": "node.js client for the Button Order API",
+  "repository": "https://github.com/button/button-client-node",
   "main": "index.js",
   "scripts": {
     "lint": "eslint --ext .js lib test",
