Configure KaTeX 
Environment: node
 This setup function will only run on Node.js environment, you can have access to Node's API. 
Create ./setup/katex.ts with the following content:
ts
import { defineKatexSetup } from '@slidev/types'
export default defineKatexSetup(() => {
  return {
    maxExpand: 2000,
    /* ... */
  }
})The return value should be the custom options for KaTeX. Refer to KaTeX's documentation or the type definition for the full options list.