Move and clean some templates to a subfolder

app/Template/file/new.php

@@ -0,0 +1,14 @@
+<div class="page-header">
+    <h2><?= t('Attach a document') ?></h2>
+</div>
+
+<form action="<?= Helper\u('file', 'save', array('task_id' => $task['id'])) ?>" method="post" enctype="multipart/form-data">
+    <?= Helper\form_csrf() ?>
+    <input type="file" name="files[]" multiple />
+    <div class="form-help"><?= t('Maximum size: ') ?><?= is_integer($max_size) ? Helper\format_bytes($max_size) : $max_size ?></div>
+    <div class="form-actions">
+        <input type="submit" value="<?= t('Save') ?>" class="btn btn-blue"/>
+        <?= t('or') ?>
+        <?= Helper\a(t('cancel'), 'task', 'show', array('task_id' => $task['id'])) ?>
+    </div>
+</form>