Add Wagtail Space 2025 event promo

Author: thibaudcolas

apps/core/templates/core/home_page.html

@@ -10,7 +10,7 @@ <h1 class="heading heading--display">{{ page.title }}</h1>
     </p>
 
     {# Simple events promotion, comment out or add back on as needed. #}
-    {# <p class="introduction"><em>👉️ Want to learn more about Wagtail 6.0 and beyond?</em><br> Join the <a href="https://wagtail.org/blog/whats-new-in-wagtail-cms-march-2024/">What’s new in Wagtail webinar</a> on March 12th and 13th.</p> #}
+    <p class="introduction"><em>👉️ Want to learn more about Wagtail’s future?</em><br> Check out <a href="https://wagtail.org/wagtail-space-2025/">Wagtail Space 2025</a> 🚀 - free, online, October 8th - 10th.</p>
 
     {% include_block page.sections %}