feat: add monorepo

apps/docs/app/sitemap.ts

@@ -0,0 +1,18 @@
+import { url } from "@/utils/metadata";
+import type { MetadataRoute } from "next";
+import { getPages } from "./source";
+
+export default async function sitemap(): Promise<MetadataRoute.Sitemap> {
+	return [
+		...getPages().map<MetadataRoute.Sitemap[number]>((page) => {
+			return {
+				url: url(`/en${page.url}`),
+				lastModified: page.data.exports.lastModified
+					? new Date(page.data.exports.lastModified)
+					: undefined,
+				changeFrequency: "weekly",
+				priority: page.url === "/docs/core/get-started/introduction" ? 1 : 0.8,
+			};
+		}),
+	];
+}