chore(package): re-export module in commonjs format

BREAKING CHANGE: remove having to use `.default` while requiring this module

closes #19

Author: medfreeman

Diff for: README.md

@@ -26,25 +26,16 @@
 
   `npm i -D nuxt-netlify-cms netlify-cms` OR `yarn add -D nuxt-netlify-cms netlify-cms`
 
-- Require `nuxt-netlify-cms` at the start of `nuxt.config.js`
-
-```js
-var netlifyCmsModule = require("nuxt-netlify-cms").default;
-```
-
-:information_source: Note the `.default` in the above snippet. It is mandatory for this module, written in ES6, to work properly.
-Please read [Misunderstanding ES6 Modules, Upgrading Babel, Tears, and a Solution](https://medium.com/@kentcdodds/misunderstanding-es6-modules-upgrading-babel-tears-and-a-solution-ad2d5ab93ce0) if you're interested to know why.
-
 - Add `nuxt-netlify-cms` to `modules` section of `nuxt.config.js`
 
 ```js
 {
   modules: [
     // Simple usage
-    netlifyCmsModule,
+    "nuxt-netlify-cms",
 
     // With options
-    [netlifyCmsModule, { adminPath: "secure" }],
+    ["nuxt-netlify-cms", { adminPath: "secure" }],
   ],
 
   // You can optionally use global options instead of inline form

Diff for: index.js

@@ -0,0 +1,3 @@
+var netlifyCmsModule = require("./dist/module.js");
+module.exports = netlifyCmsModule.default;
+module.exports.meta = netlifyCmsModule.meta;

Diff for: package.json

@@ -3,7 +3,7 @@
   "description": "Easy Netlify CMS integration with nuxt.js",
   "version": "1.2.1",
   "license": "MIT",
-  "main": "dist/module.js",
+  "main": "index.js",
   "author": "Mehdi Lahlou <[email protected]>",
   "repository": "https://github.com/medfreeman/nuxt-netlify-cms-module.git",
   "scripts": {