chore(website): Fix startup service "Critical dependency" warning.

uiwjs/react-code-preview#94

Critical dependency: the request of a dependency is an expression

```shell
Creating an optimized production build...
Compiled with warnings.

./node_modules/@babel/standalone/babel.js
Critical dependency: the request of a dependency is an expression

./node_modules/@babel/standalone/babel.js
Critical dependency: the request of a dependency is an expression
```

website/.kktrc.ts

@@ -27,6 +27,7 @@ export default (
 
   /** https://github.com/uiwjs/react-code-preview/issues/94 */
   conf.module!.exprContextCritical = false;
+  conf.module!.exprContextRecursive = false;
   if (env === 'production') {
     conf.optimization = {
       ...conf.optimization,