backend/components/noam148/imagemanager/views/default/index.php

<?php
$this->title = "Image manager";
?>
<div class="imagemanager-default-index">
    <p>Welcome to image manager</p>
    <p>Install run migrate:</p>
    <p><code>yii migrate --migrationPath=@noam148/imagemanager/migrations</code></p>
    <p><em>By noam148</em></p>
</div>