Add 'packages/frontend/' from commit 'ecaa662131160697866f77488d13159c986d5e8e'

git-subtree-dir: packages/frontend
git-subtree-mainline: d7bdd20dc4
git-subtree-split: ecaa662131

packages/frontend/src/main.tsx

@@ -0,0 +1,10 @@
+import "./App.css";
+import React from "react";
+import ReactDOM from "react-dom/client";
+import App from "./App";
+
+ReactDOM.createRoot(document.getElementById("root") as HTMLElement).render(
+    <React.StrictMode>
+        <App />
+    </React.StrictMode>,
+);