fix: added a warning comment

vite.config.ts

@@ -17,6 +17,7 @@ export default defineConfig({
     __APP_VERSION__: JSON.stringify(version),
   },
   server: {
+    // IMPORTANT: MAKE SURE TO UPDATE YOUR OS HOSTS FILE TO POINT `testlocal.com` TO YOUR LOCAL IP (e.g. 127.0.0.1).
     allowedHosts: ['testlocal.com', '.testlocal.com', 'localhost', '127.0.0.1'],
   },
 })