refactor: restructure server routing and add documentation routes

src/modes/server/docs.rs

@@ -81,3 +81,10 @@ pub async fn handle_swagger_ui() -> Html<&'static str> {
     
     Html(html)
 }
+
+pub fn add_routes(router: Router<AppState>) -> Router<AppState> {
+    router
+        // Documentation endpoints
+        .route("/openapi.json", get(docs::handle_openapi))
+        .route("/swagger/", get(docs::handle_swagger_ui))
+}