feat: create route to handle updating watch status in AniList

src/index.ts

@@ -23,6 +23,12 @@ app.route(
   "/search",
   await import("~/controllers/search").then((controller) => controller.default),
 );
+app.route(
+  "/watch-status",
+  await import("~/controllers/watch-status").then(
+    (controller) => controller.default,
+  ),
+);
 
 // The OpenAPI documentation will be available at /doc
 app.doc("/openapi.json", {