refactor: html-router builder pattern and structure

crates/html-router/src/routes/search/mod.rs

@@ -0,0 +1,14 @@
+mod handlers;
+
+use axum::{extract::FromRef, routing::get, Router};
+use handlers::search_result_handler;
+
+use crate::html_state::HtmlState;
+
+pub fn router<S>() -> Router<S>
+where
+    S: Clone + Send + Sync + 'static,
+    HtmlState: FromRef<S>,
+{
+    Router::new().route("/search", get(search_result_handler))
+}