title: Upload file error in lumen
body: <p>I use laravelUploader package form <a href="https://github.com/pricecurrent/LaravelUploader" rel="nofollow">this link</a> for upload my files
  . when i use this package to send file in lumen with below code :</p>
  
  <pre><code>$file = $this-&gt;uploader-&gt;file($request-&gt;file('file'))-&gt;push(storage_path('app'));
  return $this-&gt;respondCreated(['data'=&gt;$file-&gt;getFullPath()]);
  </code></pre>
  
  <p>i got an error like :</p>
  
  <pre><code>BindingResolutionException in Container.php line 752:
  Target [Illuminate\Contracts\Filesystem\Factory] is not instantiable while building [Almazik\LaravelUploader\LaravelUploader].
  </code></pre>
  
  <p>now how can i fix it?</p>