feat: create route to return title information

Summary:

Test Plan:

src/index.ts

@@ -8,6 +8,10 @@ app.route(
     (controller) => controller.default,
   ),
 );
+app.route(
+  "/title",
+  await import("~/controllers/title").then((controller) => controller.default),
+);
 
 // The OpenAPI documentation will be available at /doc
 app.doc("/doc", {