Added extension code

templates/CRM/EntityTemplates/Page/EntityTemplates.tpl

@@ -0,0 +1,35 @@
+<div class="crm-content-block crm-block">
+  <label>{ts}Fiscal Year: {/ts}</label>
+  <select name="entityType" type="text" id="entityType" class="crm-form-select required crm-select2 six">
+    {$entityTypeOptions}
+  </select>
+  </br></br>
+  <table cellpadding="0" cellspacing="0" border="0" class="row-highlight">
+    <thead class="sticky">
+      <th>{ts}Title{/ts}</th>
+      <th></th>
+    </thead>
+    {foreach from=$rows item=row}
+      <tr id="EntityTemplates-{$rowId}" class="crm-entity {cycle values="odd-row,even-row"}">
+        <td class='EntityTemplates-title'>{$row.title}</td>
+        <td class='EntityTemplates-links'>{$row.links}</td>
+      </tr>
+    {/foreach}
+  </table>
+  {crmButton p="civicrm" q="reset=1" class="cancel" icon="times"}{ts}Add Template{/ts}{/crmButton}
+  {crmButton p="civicrm" q="reset=1" class="cancel" icon="times"}{ts}Done{/ts}{/crmButton}
+</div>
+
+{literal}
+<script type="text/javascript">
+  CRM.$(function($) {
+    $('#fiscal_year').change(loadPage);
+    function loadPage() {
+      window.location.href = CRM.url('civicrm/entity/templates', {
+        reset: '1',
+        entityType: $('#entityType').val()
+      });
+    }
+  });
+</script>
+{/literal}