How to highlight a new item added in the right sidebar ? about nextra HOT 6 CLOSED

export default {
  sidebar: {
    titleComponent({ title, type }) {
     // your condition
      if (title=== 'useAbortController') {
        return (
          //  customize it here
          <div style={{ display: 'flex' }}>
              <div style={{ marginRight: '5px' }}>{title}</div>
              <div style={{ backgroundColor: 'yellow' }}>(New)</div>
          </div>
        )
      }
     return <>{title}</>
    }
  }
}