website/majo/categories/index.xml

<?xml version="1.0" encoding="utf-8" standalone="yes"?>
<rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom">
  <channel>
    <title>Categories on My New Hugo Site</title>
    <link>http://example.org/categories/</link>
    <description>Recent content in Categories on My New Hugo Site</description>
    <generator>Hugo -- gohugo.io</generator>
    <language>en-us</language><atom:link href="http://example.org/categories/index.xml" rel="self" type="application/rss+xml" />
  </channel>
</rss>