Add public view for tasks

app/Templates/task_comments.php

@@ -0,0 +1,15 @@
+<?php if (! empty($comments)): ?>
+<div id="comments" class="task-show-section">
+    <div class="page-header">
+        <h2><?= t('Comments') ?></h2>
+    </div>
+
+    <?php foreach ($comments as $comment): ?>
+        <?= Helper\template('comment_show', array(
+            'comment' => $comment,
+            'task' => $task,
+            'not_editable' => isset($not_editable) && $not_editable,
+        )) ?>
+    <?php endforeach ?>
+</div>
+<?php endif ?>