Add Preact, oraz przełącznika zmiany theme

astro.config.mjs

@@ -1,6 +1,7 @@
 import { defineConfig } from 'astro/config';
 import tailwind from '@astrojs/tailwind';
 import node from '@astrojs/node';
+import preact from "@astrojs/preact";
 
 export default defineConfig({
   output: 'server',
@@ -12,6 +13,7 @@ export default defineConfig({
     port: parseInt(process.env.PORT || '4321'),
   },
   integrations: [
+    preact(),
     tailwind({
       applyBaseStyles: true
     })