docs: make all tables with only HTMLAttributes as a setting a lis

docs/api/nodes/list-item.md

@@ -16,9 +16,17 @@ yarn add @tiptap/extension-list-item
 This extension requires the [`BulletList`](/api/nodes/bullet-list) or [`OrderedList`](/api/nodes/ordered-list) node.
 
 ## Settings
-| Option         | Type     | Default | Description                                                           |
-| -------------- | -------- | ------- | --------------------------------------------------------------------- |
-| HTMLAttributes | `Object` | `{}`    | Custom HTML attributes that should be added to the rendered HTML tag. |
+
+### HTMLAttributes
+Custom HTML attributes that should be added to the rendered HTML tag.
+
+```js
+ListItem.configure({
+  HTMLAttributes: {
+    class: 'my-custom-class',
+  },
+})
+```
 
 ## Keyboard shortcuts
 | Command         | Windows/Linux      | macOS              |