[docs] fix ReactSelector import

The default import is incorrect
(although it was previously used until [this commit](DevExpress/testcafe-react-selectors@1172b89) 2 years ago)

docs/articles/documentation/test-api/selecting-page-elements/framework-specific-selectors.md

@@ -20,7 +20,7 @@ For this purpose, the TestCafe team and community developed libraries of dedicat
 The React selectors module provides the `ReactSelector` class that allows you to select DOM elements by the component name. You can get a root element or search through the nested components or elements. In addition, you can obtain the component props and state.
 
 ```js
-import ReactSelector from 'testcafe-react-selectors';
+import { ReactSelector } from 'testcafe-react-selectors';
 
 const TodoList         = ReactSelector('TodoApp TodoList');
 const itemsCountStatus = ReactSelector('TodoApp div');
@@ -130,4 +130,4 @@ test('add new item', async t => {
 });
 ```
 
-To learn about the API, see the [repository documentation](https://github.com/miherlosev/testcafe-aurelia-selectors/blob/master/README.md).
+To learn about the API, see the [repository documentation](https://github.com/miherlosev/testcafe-aurelia-selectors/blob/master/README.md).