switch to launch builder instead of macro for fullstack

packages/fullstack/examples/salvo-hello-world/src/main.rs

@@ -64,7 +64,5 @@ fn main() {
     #[cfg(feature = "ssr")]
     simple_logger::SimpleLogger::new().init().unwrap();
 
-    launch!(@([127, 0, 0, 1], 8080), app, {
-        serve_cfg: ServeConfigBuilder::new(app, AppProps { count: 0 }),
-    });
+    LaunchBuilder::new_with_props(app, AppProps { count: 0 }).launch()
 }