Migrate to createRoot

- Use new `createRoot` API from React v18.

Author: iamWing

src/renderer/renderer.tsx

@@ -6,9 +6,9 @@ import '_public/style.css';
 
 import App from '_renderer/App';
 import * as React from 'react';
-import * as ReactDOM from 'react-dom';
+import { createRoot } from 'react-dom/client';
 
-ReactDOM.render(
-  <App />,
-  document.getElementById('app'),
-);
+const container = document.getElementById('app');
+// eslint-disable-next-line @typescript-eslint/no-non-null-assertion
+const root = createRoot(container!);
+root.render(<App />);