refactor(frontend): rename project to s2s-frontend

s2s-frontend/src/main.tsx

@@ -0,0 +1,14 @@
+import { StrictMode } from "react";
+import { createRoot } from "react-dom/client";
+import "./styles.css";
+import App from "./App.tsx";
+
+const root = document.getElementById("root");
+if (!root) {
+  throw new Error("The application root was not found.");
+}
+createRoot(root).render(
+  <StrictMode>
+    <App />
+  </StrictMode>,
+);