chore: migrate from preact to react (#4435)

astro.config.mjs

@@ -1,5 +1,4 @@
 // https://astro.build/config
-import preact from '@astrojs/preact';
 import sitemap from '@astrojs/sitemap';
 import tailwind from '@astrojs/tailwind';
 import compress from 'astro-compress';
@@ -8,6 +7,8 @@ import rehypeExternalLinks from 'rehype-external-links';
 import { fileURLToPath } from 'node:url';
 import { serializeSitemap, shouldIndexPage } from './sitemap.mjs';
 
+import react from '@astrojs/react';
+
 // https://astro.build/config
 export default defineConfig({
   site: 'https://roadmap.sh/',
@@ -31,11 +32,9 @@ export default defineConfig({
               'https://cs.fyi',
               'https://roadmap.sh',
             ];
-
             if (whiteListedStarts.some((start) => href.startsWith(start))) {
               return [];
             }
-
             return 'noopener noreferrer nofollow';
           },
         },
@@ -75,6 +74,6 @@ export default defineConfig({
       CSS: false,
       JavaScript: false,
     }),
-    preact(),
+    react(),
   ],
 });