Add subtasks

app/Templates/subtask_remove.php

@@ -0,0 +1,16 @@
+<div class="page-header">
+    <h2><?= t('Remove a sub-task') ?></h2>
+</div>
+
+<div class="confirm">
+    <p class="alert alert-info">
+        <?= t('Do you really want to remove this sub-task?') ?>
+    </p>
+
+    <p><strong><?= Helper\escape($subtask['title']) ?></strong></p>
+
+    <div class="form-actions">
+        <a href="?controller=subtask&amp;action=remove&amp;task_id=<?= $task['id'] ?>&amp;subtask_id=<?= $subtask['id'] ?>" class="btn btn-red"><?= t('Yes') ?></a>
+        <?= t('or') ?> <a href="?controller=task&amp;action=show&amp;task_id=<?= $task['id'] ?>#subtasks"><?= t('cancel') ?></a>
+    </div>
+</div>