update index to use createRoot vs render

Author: gitdallas

src/index.tsx

@@ -1,5 +1,5 @@
 import React from "react";
-import ReactDOM from "react-dom";
+import ReactDOM from "react-dom/client";
 import App from '@app/index';
 
 if (process.env.NODE_ENV !== "production") {
@@ -16,4 +16,10 @@ if (process.env.NODE_ENV !== "production") {
   axe(React, ReactDOM, 1000, config);
 }
 
-ReactDOM.render(<App />, document.getElementById("root") as HTMLElement);
+const root = ReactDOM.createRoot(document.getElementById("root"));
+
+root.render(
+  <React.StrictMode>
+    <App />
+  </React.StrictMode>
+)