Adding banner for June

Author: ckenst

_includes/banner.html

@@ -2,5 +2,5 @@
 <script src="/assets/promo.js" type="text/javascript"></script>
 <link rel="stylesheet" type="text/css" />
 <div id="promo">
-  <a href="https://www.lambdatest.com/testmuconf-2025?utm_source=testmu_conf_2025&utm_medium=softwaretestingconferences&utm_campaign=may09&utm_term=kn&utm_content=website" target="_blank">Now: Testμ Online Conference 2025 | 80+ Speakers, 35+ Sessions on Testing + AI</a>
+  AutomationSTAR - Where Test Automation Minds Meet - <a href="https://automation.eurostarsoftwaretesting.com/?utm_source=testingconferences" target="_blank">Programme Launch Offer</a>: Save 25% by 30th June
 </div>

_layouts/default.html

@@ -8,7 +8,7 @@
   <noscript><iframe src="https://www.googletagmanager.com/ns.html?id=GTM-5GDZ5BF" height="0" width="0"
       style="display:none;visibility:hidden"></iframe></noscript>
   <!-- End Google Tag Manager (noscript) -->
-  <!-- {% include banner.html %} -->
+  {% include banner.html %}
   {% include header.html %}
   <div class="page-content">
     <div class="wrapper">