reorg

demo/src/index.tsx

@@ -0,0 +1,14 @@
+import React from 'react';
+import ReactDOM from 'react-dom/client';
+import { MantineProvider } from '@mantine/core';
+import App from './App';
+import '@mantine/core/styles.css';
+
+const root = ReactDOM.createRoot(document.getElementById('root') as HTMLElement);
+root.render(
+  <React.StrictMode>
+    <MantineProvider>
+      <App />
+    </MantineProvider>
+  </React.StrictMode>
+);