doc: Update README.md

Author: jaywcjlove

core/README.md

@@ -6,6 +6,13 @@ react-json-view
 
 A React component for displaying and editing javascript arrays and JSON objects.
 
+<a href="https://uiwjs.github.io/react-json-view/" target="_blank">
+  <img width="360" alt="react-json-view" src="https://github.com/uiwjs/react-json-view/assets/1680273/b8b8300b-2a43-4173-878b-73e50cfac19c">
+</a>
+<a href="https://uiwjs.github.io/react-json-view/" target="_blank">
+  <img width="360" alt="react-json-view" src="https://github.com/uiwjs/react-code-preview-layout/assets/1680273/da8e8499-6de3-4d4f-8316-8b2a3b616170">
+</a>
+
 ## Features
 
 📚 Use Typescript to write, better code hints.