✨ Mark all notifications as read from dashboard (#5805)

* ✨ Mark all notifications as read from dashboard

* ♻️ Mark all notifications as read code review

* ♻️ Mark all notifications as read code review II

docs/user-guide/the-interface/index.njk

@@ -38,7 +38,7 @@ title: 02· The interface
   <li><strong>Custom fonts:</strong> If you have purchased or own personal fonts that are not included in the catalog provided by Penpot, you can upload them from your computer and use them across the files of a team.</li>
   <li><strong>Pinned projects:</strong> If you want to keep some projects handy (for instance because you’re currently working on them) you can pin them to make them quickly available at the sidebar.</li>
   <li><strong>User area:</strong> This must be you! Access your profile settings, Penpot tutorials, the Penpot Community and more. You can also find here a way to leave us feedback. We’d love to read your thoughts :)</li>
-  <li><strong>Comments notifications:</strong> Here you will be able to see if you have unread comments inside the files of the team.</li>
+  <li><strong>Comments notifications:</strong> Here you will be able to see if you have unread comments inside the files of the team. There's also a button to mark all notifications as read.</li>
   <li><strong>Create project:</strong> Create as many projects as you need to organize your designs.</li>
   <li><strong>File card:</strong> Basic information about a file at plain sight. A preview, update info or if it’s added as a Shared Library. From there you can perform several actions over the file (rename, duplicate, move, download, delete).</li>
   <li><strong>Libraries & Templates module:</strong> A curated selection of Libraries & Templates files ready to import.</li>