feat: create route to return title information

Summary:

Test Plan:

src/controllers/health-check/index.ts

@@ -7,6 +7,9 @@ const app = new OpenAPIHono();
 const route = createRoute({
   method: "get",
   path: "/",
+  summary: "Health check",
+  operationId: "healthCheck",
+  tags: ["aniplay"],
   responses: {
     200: {
       content: {
@@ -14,7 +17,7 @@ const route = createRoute({
           schema: SuccessResponseSchema(),
         },
       },
-      description: "Retrieve the user",
+      description: "Server is up and running!",
     },
   },
 });