update home page banner (#15940)

_includes/landing-page/hardened-desktop.html

@@ -0,0 +1,19 @@
+<section class="cta-banner desktop">
+    <div class="container">
+        <div class="col-xs-12 col-md-6 col-lg-offset-1 col-lg-7">
+          <h2>
+            Hardened Desktop for Docker Business customers
+          </h2>
+        </br>
+        <p>Two new security features have been introduced for Docker Business users, Settings Management and Enhanced Container Isolation, as part of Docker Desktop’s new Hardened Desktop security model.</p>
+        </div>
+        <div class="col-xs-12 col-md-6 col-lg-4 text-center">
+            <img src="/assets/images/hardened-desktop.PNG" alt="extensions" />
+            </div>
+        <div class="col-xs-12 col-md-6 col-lg-4 text-center">
+          <a class="btn" href="/desktop/hardened-desktop/" target="_blank">
+           Learn more
+          </a>
+        </div>
+    </div>
+  </section>

_layouts/landing.html

@@ -143,7 +143,7 @@
     </div>
   </section>
 
-  {% include landing-page/extensions-banner.html %}
+  {% include landing-page/hardened-desktop.html %}
 
   <section class="container help-by-product">
     <div class="row">