fix: Adds missing import of loadRemote (#3000)

Author: yashug

apps/website-new/docs/en/practice/bridge/react-bridge.mdx

@@ -107,6 +107,7 @@ export default defineConfig({
 // ./src/App.tsx
 import React from 'react';
 import { createRemoteComponent } from '@module-federation/bridge-react';
+import { loadRemote } from '@module-federation/enhanced/runtime'
 import styles from './index.module.less';
 
 // define FallbackErrorComp Component