tweaks

package.json

@@ -3,6 +3,7 @@
   "version": "1.1.5",
   "description": "Wow, such a lovely HTML5 danmaku video player",
   "main": "dist/DPlayer.min.js",
+  "style": "dist/DPlayer.min.css",
   "scripts": {
     "test": "webpack",
     "build": "webpack",