fix(enhanced): support get public path

Author: ScriptedAlchemy

apps/website-new/docs/en/configure/getpublicpath.mdx

@@ -9,6 +9,10 @@
 
 In the example below, `getPublicPath` is set. When other consumers load this provider, the code for `getPublicPath` will be executed using `new Function` to obtain the return value. The content of the return value will be used as the `publicPath` prefix for the static resources of the module.
 
+:::tip NOTE
+```getPublicPath``` Must be a function as a string.
+:::
+
 ```ts title="rspack.config.ts"
 module.exports = {
   plugins: [
@@ -18,7 +22,7 @@ module.exports = {
         './Button': './src/components/Button.tsx',
       },
       // ...
-      getPublicPath: `return "https:" + window.navigator.cdn_host + "/resource/app/"`,
+      getPublicPath: `function(currentPath) {return "https:" + window.navigator.cdn_host + "/resource/app/"}`,
     }),
   ],
 };