Added hook for plugins

app/Template/board/tooltip_subtasks.php

@@ -1,7 +1,7 @@
 <div class="tooltip-large">
     <table class="table-small">
         <tr>
-            <th class="column-80"><?= t('Subtask') ?></th>
+            <th class="column-70"><?= t('Subtask') ?></th>
             <th><?= t('Assignee') ?></th>
         </tr>
         <?php foreach ($subtasks as $subtask): ?>
@@ -9,6 +9,7 @@
             <td>
                 <?= $this->subtask->toggleStatus($subtask, $task['project_id']) ?>
             </td>
+            <?= $this->hook->render('template:board:tooltip:subtasks:rows', array('subtask' => $subtask)) ?>
             <td>
                 <?php if (! empty($subtask['username'])): ?>
                     <?= $this->text->e($subtask['name'] ?: $subtask['username']) ?>