add LTS support

Author: jaredgalanis

app/templates/browser-support.hbs

@@ -36,6 +36,22 @@
       </EsCard>
     </ul>
 
+    <h2>LTS Support</h2>
+
+    <div class="layout my-3">
+      <div class="card lg:col-2 lg:start-3">
+        <div class="card__content">
+          <ul>
+            <li>Google Chrome</li>
+            <li>Mozilla Firefox</li>
+            <li>Microsoft Edge</li>
+            <li>Internet Explorer 11</li>
+            <li>Safari</li>
+          </ul>
+        </div>
+      </div>
+    </div>
+
     <p>
       Other browsers may work with Ember.js, but are not explicitly supported. If you
       would like to add support for a new browser, please <a href="https://github.com/emberjs/rfcs">submit an RFC or RFC issue for discussion</a>!