Change backend API port from 3000 to 3005

- Update server default port to 3005
- Update frontend API base URL to point to port 3005

server/src/index.ts

@@ -9,7 +9,7 @@ import reportRoutes from './routes/reportRoutes';
 dotenv.config();
 
 const app = express();
-const PORT = process.env.PORT || 3000;
+const PORT = process.env.PORT || 3005;
 
 // Middleware
 app.use(helmet());