document description, and
    contained non-empty folders appear as entries &lt;item_name&gt; &#39;/&#39; to a
    folder description. It MUST also contain an &#39;@context&#39; field with
    the value &#39;http://remotestorage.io/spec/folder-description&#39;. For
    instance:

       {
         &#34;@context&#34;: &#34;<a href="http://remotestorage.io/spec/folder-description">http://remotestorage.io/spec/folder-description</a>&#34;,
         &#34;items&#34;: {
           &#34;abc&#34;: {
             &#3