title: how to set pagination for joomla article groups?
body: <p>I have a joomla based website. It has about 20 different topics. Every topic has about 10 articles.</p>
  
  <p>How can I add pagination to every topic (front-end, not in the administration panel) to let my users navigate from one article to another article in the same topic?</p>
  
  <p>I have attached an image that may help you exactly get my point:</p>
  
  <p><img src="https://i.stack.imgur.com/mQMJp.jpg" alt="enter image description here"></p>