dotenv improvements

gistfile1.txt

// better file checker
// https://nodejs.org/dist/latest-v7.x/docs/api/fs.html#fs_fs_readfilesync_file_options

fs.accessSync(path.resolve(__dirname,'./config-local.json'), fs.R_OK);


// add .env.js



```js
const envJS = require('./.env.js')

await envJS()
```

```js
export default async function() {
  return await fetch('http://someoauth.com/auth')
}
```