♻️ Major code restructuring

examples/hello-name.rs

@@ -0,0 +1,26 @@
+use pagetop::prelude::*;
+
+#[derive(AssignHandle)]
+struct HelloName;
+
+impl PackageTrait for HelloName {
+    fn configure_service(&self, scfg: &mut service::web::ServiceConfig) {
+        scfg.service(hello_name);
+    }
+}
+
+#[service::get("/hello/{name}")]
+async fn hello_name(
+    request: service::HttpRequest,
+    path: service::web::Path<String>,
+) -> ResultPage<Markup, ErrorPage> {
+    let name = path.into_inner();
+    Page::new(request)
+        .with_component_in("content", Html::with(html! { h1 { "Hello " (name) "!" } }))
+        .render()
+}
+
+#[pagetop::main]
+async fn main() -> std::io::Result<()> {
+    Application::prepare(&HelloName).unwrap().run()?.await
+}