docs: update component READMEs (#6337)

This PR was automatically generated by the update-doc GitHub action

Co-authored-by: jcfranco <[email protected]>
Co-authored-by: Ben Elan <[email protected]>

Author: 3 people

src/components/tree-item/readme.md

@@ -6,18 +6,21 @@
 
 ## Properties
 
-| Property   | Attribute  | Description                                                                              | Type      | Default |
-| ---------- | ---------- | ---------------------------------------------------------------------------------------- | --------- | ------- |
-| `disabled` | `disabled` | When `true`, interaction is prevented and the component is displayed with lower opacity. | `boolean` | `false` |
-| `expanded` | `expanded` | When `true`, the component is expanded.                                                  | `boolean` | `false` |
-| `selected` | `selected` | When `true`, the component is selected.                                                  | `boolean` | `false` |
+| Property      | Attribute       | Description                                                                                  | Type                         | Default     |
+| ------------- | --------------- | -------------------------------------------------------------------------------------------- | ---------------------------- | ----------- |
+| `disabled`    | `disabled`      | When `true`, interaction is prevented and the component is displayed with lower opacity.     | `boolean`                    | `false`     |
+| `expanded`    | `expanded`      | When `true`, the component is expanded.                                                      | `boolean`                    | `false`     |
+| `iconFlipRtl` | `icon-flip-rtl` | When `true`, the icon will be flipped when the element direction is right-to-left (`"rtl"`). | `"both" \| "end" \| "start"` | `undefined` |
+| `iconStart`   | `icon-start`    | Specifies an icon to display at the start of the component.                                  | `string`                     | `undefined` |
+| `selected`    | `selected`      | When `true`, the component is selected.                                                      | `boolean`                    | `false`     |
 
 ## Slots
 
-| Slot         | Description                                       |
-| ------------ | ------------------------------------------------- |
-|              | A slot for adding text.                           |
-| `"children"` | A slot for adding nested `calcite-tree` elements. |
+| Slot            | Description                                                                                           |
+| --------------- | ----------------------------------------------------------------------------------------------------- |
+|                 | A slot for adding text.                                                                               |
+| `"actions-end"` | A slot for adding actions to the end of the component. It is recommended to use two or fewer actions. |
+| `"children"`    | A slot for adding nested `calcite-tree` elements.                                                     |
 
 ## Dependencies