Add Percona Live Banner (18) (#967)

This PR adds the percona live banner for psp 18.

Author: Andriciuc

_resource/overrides/main.html

@@ -6,6 +6,31 @@
 {# Import the theme's layout. #}
 {% extends "base.html" %}
 
+{% block announce %}
+  <div class="md-banner" style="text-align: center;">
+    Where the open source database community meets:
+    Use code <strong>PERCONA75</strong> and secure your spot for Percona Live.
+
+    <a
+      class="breakdance-link button-atom button-atom--primary bde-button__button"
+      href="https://perconalive.com/2026-usa/"
+      target="_blank"
+      data-type="url"
+      style="
+        padding: 5px 20px;
+        display: inline-block;
+        margin-left: 10px;
+        background-color: #005ed6;
+        border-radius: 999px;
+        text-decoration: none;
+      "
+    >
+      <span class="button-atom__text" style="font-size: 16px; color: #ffffff;">
+        Register
+      </span>
+    </a>
+  </div>
+{% endblock %}
 
 {% block scripts %}
 <script src="https://cmp.osano.com/Azqe5vTyLOSbN3OuT/49ad85b5-0418-4794-ab81-7599dddd534c/osano.js"></script>

_resourcepdf/overrides/main.html

@@ -6,6 +6,32 @@
 {# Import the theme's layout. #}
 {% extends "base.html" %}
 
+{% block announce %}
+  <div class="md-banner" style="text-align: center;">
+    Where the open source database community meets:
+    Use code <strong>PERCONA75</strong> and secure your spot for Percona Live.
+
+    <a
+      class="breakdance-link button-atom button-atom--primary bde-button__button"
+      href="https://perconalive.com/2026-usa/"
+      target="_blank"
+      data-type="url"
+      style="
+        padding: 5px 20px;
+        display: inline-block;
+        margin-left: 10px;
+        background-color: #005ed6;
+        border-radius: 999px;
+        text-decoration: none;
+      "
+    >
+      <span class="button-atom__text" style="font-size: 16px; color: #ffffff;">
+        Register
+      </span>
+    </a>
+  </div>
+{% endblock %}
+
 {% block scripts %}
 <script src="https://cmp.osano.com/Azqe5vTyLOSbN3OuT/49ad85b5-0418-4794-ab81-7599dddd534c/osano.js"></script>
 {{ super() }}

docs/css/extra.css

@@ -59,4 +59,14 @@
   font-size: 0.6rem !important;         /* smaller font */
   color: var(--md-typeset-a-color);
 }
- 
+ 
+/* Percona live announcement banner */
+
+.md-banner {
+  text-align: center;
+}
+
+.md-banner,
+.md-banner * {
+  font-family: "Poppins", sans-serif !important;
+}