added a lib folder

Author: dielduarte

package.json

@@ -1,6 +1,6 @@
 {
   "name": "animate-css-styled-components",
-  "version": "0.0.12",
+  "version": "0.0.13",
   "description": "port of animate.css for styled-components",
   "main": "./lib/index.js",
   "scripts": {
@@ -33,5 +33,8 @@
     "babel-preset-react": "^6.24.1",
     "react": "^15.5.4",
     "react-dom": "^15.5.4"
-  }
+  },
+  "files": [
+    "lib/"
+  ]
 }