417-add-banner (#451)

* Added IG social

* Added the LinkedIn Page, Group and correct the text.

* Added banner for leadership 2024 summit

Author: bboyjamba

_layouts/index.html

@@ -3,6 +3,13 @@
 ---
 <div class="home">
   {% assign t = site.data.locales[page.lang][page.lang] %} {% if page.title %} {% assign header = page.title %} {% else %} {% assign header = site.title %} {% endif %}
+  <a style="text-decoration:none;" href="/leadership-summit-2024/" >
+  <article role="button" style= "background-color: #357992;">
+     <main style= "font-size: 1.25rem; text-decoration:underline #ffffff; color: #ffffff; font-weight: lighter; text-align: center;">
+      Join us in Durham, and Online this weekend for the Leadership Summit. Learn More!
+    </header>
+  </article>
+</a>
   <article class="hero">
     <div class="hero-text">{{ t.index.lead }}</div>
   </article>