feat: convert site to astro via codex

www/astro.config.mjs

@@ -0,0 +1,9 @@
+import { defineConfig } from 'astro/config';
+
+export default defineConfig({
+  site: 'https://www.azinstitute4autism.com',
+  trailingSlash: 'never',
+  markdown: {
+    shikiConfig: { theme: 'github-light' }
+  }
+});