doc: Update README.md

Author: jaywcjlove

core/README.md

@@ -33,6 +33,15 @@ A React component for displaying and editing javascript arrays and JSON objects.
 npm install @uiw/react-json-view
 ```
 
+```jsx
+import JsonView from '@uiw/react-json-view';
+import JsonViewEditor from '@uiw/react-json-view/editor';
+import { lightTheme } from '@uiw/react-json-view/light';
+import { darkTheme } from '@uiw/react-json-view/dark';
+import { TriangleArrow } from '@uiw/react-json-view/triangle-arrow';
+import { TriangleSolidArrow } from '@uiw/react-json-view/triangle-solid-arrow';
+```
+
 ```jsx
 import JsonView from '@uiw/react-json-view';