fix robots file

astro.config.mjs

@@ -4,11 +4,13 @@ import tailwind from "@astrojs/tailwind";
 import mdx from "@astrojs/mdx";
 import rehypePrettyCode from "rehype-pretty-code";
 import rehypeSlug from "rehype-slug";
+import sitemap from "@astrojs/sitemap";
 
 // https://astro.build/config
 export default defineConfig({
   site: "https://www.juancman.dev/",
   integrations: [
+    sitemap(),
     react(),
     tailwind({
       applyBaseStyles: false,