chore: add doc

Author: remilry

docs/api.md

@@ -51,6 +51,7 @@ The `SpatialNavigationNode` component receives the following props:
 | `onFocus`          | `function`                                                                                                                              | `undefined`  | Callback function to be called when the node gains focus.                                                                                                                                                                                                                                                                                                                                                                                                             |
 | `onBlur`           | `function`                                                                                                                              | `undefined`  | Callback function to be called when the node loses focus.                                                                                                                                                                                                                                                                                                                                                                                                             |
 | `onSelect`         | `function`                                                                                                                              | `undefined`  | Callback function to be called when the node is selected.                                                                                                                                                                                                                                                                                                                                                                                                             |
+| `onLongSelect`         | `function`                                                                                                                              | `onSelect`  | Callback function to be called when the node is selected with long key press.                                                                                                                                                                                                                                                                                                                                                                                                             |
 | `onActive`         | `function`                                                                                                                              | `undefined`  | Callback function to be called when the node is made active by either itself or one of its descendants gaining focus.                                                                                                                                                                                                                                                                                                                                                 |
 | `onInactive`       | `function`                                                                                                                              | `undefined`  | Callback function to be called when the node was active and due to an updated focus, is no longer active.                                                                                                                                                                                                                                                                                                                                                             |
 | `orientation`      | `'vertical' \| 'horizontal`                                                                                                             | `'vertical'` | Determines the orientation of the node.                                                                                                                                                                                                                                                                                                                                                                                                                               |