[Chore] Add redirect for sitemap + customize behavior (#16163)

* [Chore] Add redirect for sitemap

* Added lastmod to sitemap entries

* Apply suggestions from code review

Author: kodster28

astro.config.mjs

@@ -10,6 +10,7 @@ import rehypeAutolinkHeadings from 'rehype-autolink-headings';
 import { h } from 'hastscript';
 import { readdir } from "fs/promises";
 import icon from "astro-icon";
+import sitemap from '@astrojs/sitemap';
 
 async function autogenSections() {
 	const sections = (
@@ -136,5 +137,11 @@ export default defineConfig({
 		}),
 		liveCode({ layout: "~/components/live-code/Layout.astro" }),
 		icon(),
+    sitemap({
+      serialize(item) {
+        item.lastmod = new Date();
+        return item;
+      },
+    }),
 	],
 });

package-lock.json

@@ -14,6 +14,7 @@
     "@astro-community/astro-embed-youtube": "^0.5.2",
     "@astrojs/check": "^0.9.2",
     "@astrojs/rss": "^4.0.7",
+    "@astrojs/sitemap": "^3.1.6",
     "@astrojs/starlight": "^0.25.5",
     "@astrojs/starlight-docsearch": "^0.1.1",
     "@astrojs/starlight-tailwind": "^2.0.3",

package.json

@@ -3,6 +3,7 @@
 /zero-trust/ /products/?product-group=Cloudflare+One 301
 /dashboarding-landing/ / 301
 /tutorials/ /search/?content_type%5B0%5D=Tutorial 301
+/sitemap.xml /sitemap-index.xml
 
 # 1dot1_redirect
 /1.1.1.1/1.1.1.1-for-families/ /1.1.1.1/setup/ 301