add svelte and progress

astro.config.mjs

@@ -5,11 +5,13 @@ import mdx from '@astrojs/mdx'
 import sitemap from '@astrojs/sitemap'
 import { remarkReadingTime } from './readingTime'
 
+import svelte from '@astrojs/svelte';
+
 // https://astro.build/config
 export default defineConfig({
   site: 'https://example.com',
-  integrations: [mdx(), sitemap()],
+  integrations: [mdx(), sitemap(), svelte()],
   markdown: {
     remarkPlugins: [remarkReadingTime],
   },
-})
+})