Add two factor authentication

app/Template/twofactor/check.php

@@ -0,0 +1,10 @@
+<form method="post" action="<?= $this->u('twofactor', 'check', array('user_id' => $this->userSession->getId())) ?>" autocomplete="off">
+
+    <?= $this->formCsrf() ?>
+    <?= $this->formLabel(t('Code'), 'code') ?>
+    <?= $this->formText('code', array(), array(), array('placeholder="123456"'), 'form-numeric') ?>
+
+    <div class="form-actions">
+        <input type="submit" value="<?= t('Check my code') ?>" class="btn btn-blue"/>
+    </div>
+</form>