📝 Add note on backing up config files

Author: Schneegans

src/assets/img/backup-settings.png

@@ -53,6 +53,14 @@ Click on an item to learn more about it!
 <LinkCard title="Redirect to another Menu" description='Use this as a link to another menu.' href="/item-redirect"/>
 <LinkCard title="Open Settings" description="Opens Kando's settings dialog." href="/item-settings"/>
 
+## <Icon name="solar:safe-2-bold-duotone" class="inline-icon" /> Backup your Menus and Settings!
+
+It's a good idea to backup your menus and settings regularly, especially if you have spent a lot of time customizing them.
+All of Kando's settings, including your menus, are stored in [two JSON files](/config-files).
+You can either backup these files manually, or use the corresponding buttons in the general settings dialog.
+
+![Backup buttons](../../assets/img/backup-settings.png)
+
 ## <Icon name="solar:lightbulb-minimalistic-bold-duotone" class="inline-icon" /> Tips for Efficient Menu Layouts
 
 Just like with any other user interface, the layout of your menus is crucial for a good user experience.