feat: allow to add sidebar icons
>>> [!note] Migrated issue
<!-- Drupal.org comment -->
<!-- Migrated from issue #3572927. -->
Reported by: [kmajzlik](https://www.drupal.org/user/122194)
Related to !14
>>>
<h3 id="summary-problem-motivation">Problem/Motivation</h3>
<p>I would like to add icons for the nodehive_menu.</p>
<p>Merge request coming soon.</p>
issue