Updated code transpilation for Next.js 13.1 or higher in readme file (#…

…528)

* Updated code transpilation for Next.js 13.1 or higher

* docs: update readme for nextjs

---------

Co-authored-by: Zhou Fang <zhfaxb@syntronic.com>
Co-authored-by: hustcc <i@hust.cc>

README.md

@@ -218,7 +218,21 @@ import 'echarts/lib/component/title';
 />
 ```
 
-For **Next.js** user, code transpilation is needed.
+For **Next.js** user, code transpilation is needed. For Next.js 13.1 or higher, as all `next-transpile-modules` features are natively built-in and the package has been deprecated, so please add `transpilePackages: ['echarts', 'zrender']` into `nextConfig` object: 
+
+```js
+// next.config.js
+/** @type {import('next').NextConfig} */
+
+const nextConfig = {
+  // ...existing properties,
+  transpilePackages: ['echarts', 'zrender'],
+}
+
+module.exports = nextConfig
+```
+
+For Next.js with version < 13.1:
 
 ```js
 // next.config.js