Added new template hook for application settings page

app/Template/config/application.php

@@ -30,6 +30,8 @@
     <?= $this->form->label(t('Custom Stylesheet'), 'application_stylesheet') ?>
     <?= $this->form->textarea('application_stylesheet', $values, $errors) ?>
 
+    <?= $this->hook->render('template:config:application', array('values' => $values, 'errors' => $errors)) ?>
+
     <div class="form-actions">
         <input type="submit" value="<?= t('Save') ?>" class="btn btn-blue">
     </div>