Add sitemap & robots.txt

Signed-off-by: Hadi <112569860+anotherhadi@users.noreply.github.com>

astro.config.mjs

@@ -4,6 +4,8 @@ import { defineConfig } from 'astro/config';
 import tailwindcss from '@tailwindcss/vite';
 import mdx from '@astrojs/mdx';
 
+import sitemap from '@astrojs/sitemap';
+
 // https://astro.build/config
 export default defineConfig({
   image: {
@@ -11,7 +13,7 @@ export default defineConfig({
   },
   site: "https://hadi.icu",
   output: 'static',
-  integrations: [mdx()],
+  integrations: [mdx(), sitemap()],
   vite: {
     plugins: [tailwindcss()]
   },
@@ -19,4 +21,4 @@ export default defineConfig({
     prefetchAll: false,
     defaultStrategy: 'tap'
   },
-});
+});