btrc-hub/frontend/src/main.tsx

import { createRoot } from 'react-dom/client'
import { HelmetProvider } from 'react-helmet-async'

import '@/index.css'
import App from '@/App'

const helmetContext = { }

createRoot (document.getElementById ('root')!).render (
    <HelmetProvider context={helmetContext}>
      <App />
    </HelmetProvider>)