Use strict mode (#215)

* use strict mode

* Remove stuff

Author: markmiro

src/main.tsx

@@ -1,13 +1,12 @@
 import "./index.css";
 
+import React from "react";
 import ReactDOM from "react-dom/client";
 
 import { App } from "./Root.js";
 
-ReactDOM.createRoot(document.getElementById("react-app")!).render(<App />);
-
-// ReactDOM.createRoot(document.getElementById('react-app')!).render(
-//   <React.StrictMode>
-//     <App />
-//   </React.StrictMode>,
-// )
+ReactDOM.createRoot(document.getElementById("react-app")!).render(
+  <React.StrictMode>
+    <App />
+  </React.StrictMode>
+);