Add Pagefind searching

astro.config.mjs

@@ -1,6 +1,7 @@
 import { defineConfig } from "astro/config";
 import tailwindIntegration from "@astrojs/tailwind";
 import markdownIntegration from "@astropub/md";
+import pagefindIntegration from "astro-pagefind";
 
 // https://astro.build/config
 export default defineConfig({
@@ -10,6 +11,7 @@ export default defineConfig({
       applyBaseStyles: false,
     }),
     markdownIntegration(),
+    pagefindIntegration(),
   ],
   markdown: {
     smartypants: false,