PP-2651 - adding guidance on how long an integration takes

Author: jonheslop

source/getstarted.html.erb

@@ -53,6 +53,11 @@ title: Get started - GOV.UK Pay
           </h2>
           <div class="task-list-items">
               <p>Your technical team can find information about integrating and API references in our <a href="https://govukpay-docs.cloudapps.digital" data-click-events data-click-category="Content" data-click-action="Internal link clicked">documentation</a>.</p>
+
+              <div class="panel panel-border-wide">
+                <h3 class="heading-small">How long does it take to integrate?</h3>
+                <p>The time taken to integrate will vary depending on team and capability; for example, it took a single developer five days to integrate a Home Office service with GOV.UK Pay.</p>
+              </div>
           </div>
 
           <h2 class="task-list-section">