almost done

astro.config.mjs

@@ -1,17 +1,22 @@
 // @ts-check
-import { defineConfig } from 'astro/config'
+import { rehypeHeadingIds } from '@astrojs/markdown-remark'
 import mdx from '@astrojs/mdx'
-
 import sitemap from '@astrojs/sitemap'
+import svelte from '@astrojs/svelte'
+import { defineConfig } from 'astro/config'
+import rehypeAutolinkHeadings from 'rehype-autolink-headings'
+import Icons from 'unplugin-icons/vite'
 import { remarkReadingTime } from './readingTime'
 
-import svelte from '@astrojs/svelte';
-
 // https://astro.build/config
 export default defineConfig({
   site: 'https://example.com',
   integrations: [mdx(), sitemap(), svelte()],
   markdown: {
+    rehypePlugins: [rehypeHeadingIds, [rehypeAutolinkHeadings, { behavior: 'wrap' }]],
     remarkPlugins: [remarkReadingTime],
   },
-})
+  vite: {
+    plugins: [Icons({ compiler: 'astro' })],
+  },
+})