website: new terraform webinar (#13111)

website/source/index.html.erb

@@ -169,7 +169,16 @@
       <div class="col-md-offset-1 col-md-11 col-sm-12">
 				<h2>Latest</h2>
 			</div>
-			<div class="latest-col latest-col-left col-md-12 col-sm-12">
+      <div class="latest-col latest-col-left col-md-4 col-md-offset-1 col-sm-12">
+        <div class="latest-item">
+          <img src="<%= image_path('webinar-Terraform-4-4-2017.jpg') %>" srcset="<%= image_path('webinar-Terraform-4-4-2017@2x.jpg') %> 2x, <%= image_path('webinar-Terraform-4-4-2017.jpg') %> 1x">
+          <h3 class="latest-title">Join us for a live webinar with Mitchell Hashimoto to learn how Terraform provisions infrastructure across different clouds using a consistent workflow.</h3>
+          <p>
+            <a class="outline-btn small-outline-btn" href="http://hashi.co/2naIBrh">Register Now</a>
+          </p>
+        </div>
+      </div>
+			<div class="latest-col latest-col-right col-md-6 col-sm-12">
         <div class="latest-item latest-item-text">
           <h3 class="latest-title">Terraform 0.9 Released</h3>
           <p class="lower-opacity">