Package.json bug fixed

Author: hi2dmitri

package.json

@@ -2,7 +2,7 @@
   "name": "@oslabs-beta/d3reactor",
   "version": "0.0.9",
   "description": "Open-source charting library for creating performant, responsive data visualizations in React",
-  "keywords": ["d3", "react", "chart", "graph", "svg", "visualization", "data visualization"]
+  "keywords": ["d3", "react", "chart", "graph", "svg", "visualization", "data visualization"],
   "main": "./dist/index.js",
   "types": "./dist/types/src/index.d.ts",
   "files": [