Improve app stability and allow server to identify client IP addresses

Wraps the App component in React.StrictMode and sets "trust proxy" to true in Express.

Replit-Commit-Author: Agent
Replit-Commit-Session-Id: c5f0c281-8dd8-4846-b452-4a07bcd21062
Replit-Commit-Screenshot-Url: https://storage.googleapis.com/screenshot-production-us-central1/9777c70b-fc38-4831-8d6b-78dfffe041b0/c6f419fa-e27c-4206-94b7-f50e32882303.jpg

client/src/main.tsx

@@ -1,6 +1,11 @@
+import React from "react";
 import { createRoot } from "react-dom/client";
 import App from "./App";
 import "./index.css";
 import "./i18n/config";
 
-createRoot(document.getElementById("root")!).render(<App />);
+createRoot(document.getElementById("root")!).render(
+  <React.StrictMode>
+    <App />
+  </React.StrictMode>
+);