Add request logging middleware to track client requests

lib/main.dart

@@ -11,6 +11,24 @@ import 'package:waylume_server/services/wireguard_service.dart';
 import 'package:waylume_server/core/utils.dart';
 import 'package:waylume_server/web/peer_routes.dart';
 
+Middleware requestLogger() {
+  return (Handler innerHandler) {
+    return (Request request) async {
+      final clientIP = request.headers['x-forwarded-for'] ?? 
+                      request.headers['x-real-ip'] ?? 
+                      'unknown';
+      final userAgent = request.headers['user-agent'] ?? 'unknown';
+      final method = request.method;
+      final path = request.requestedUri.path;
+      final timestamp = DateTime.now().toIso8601String();
+      
+      print('[$timestamp] $method $path - IP: $clientIP - User-Agent: $userAgent');
+      
+      return await innerHandler(request);
+    };
+  };
+}
+
 List<Router> routers = [
   PeerRoutes().router,
 ];
@@ -46,6 +64,10 @@ void main() async {
     app.mount('/api/', router);
   }
 
-  var server = await serve(app, '0.0.0.0', 3000);
+  final handler = Pipeline()
+      .addMiddleware(requestLogger())
+      .addHandler(app);
+
+  var server = await serve(handler, '0.0.0.0', 3000);
   print('Server running on http://${server.address.host}:${server.port}');
 }