Enhance project structure and functionality by adding new components and integrations. Updated .gitignore to exclude history and transformed images. Integrated Svelte, sitemap, and icon support in astro.config.mjs. Added multiple new components including BlogOverview, ContentRows, Footer, Header, and various block components for improved content management. Updated package.json with new dependencies and modified scripts for build and development processes.

astro.config.mjs

@@ -1,10 +1,25 @@
 // @ts-check
 import { defineConfig } from 'astro/config';
-
+import svelte from '@astrojs/svelte';
+import sitemap from '@astrojs/sitemap';
+import icon from 'astro-icon';
 import tailwindcss from '@tailwindcss/vite';
 
 // https://astro.build/config
+// site wird für Sitemap und canonical/og-URLs genutzt (PUBLIC_SITE_URL oder Fallback)
+const site = process.env.PUBLIC_SITE_URL || 'https://example.com';
+
 export default defineConfig({
+  site,
+  integrations: [
+    svelte(),
+    sitemap(),
+    icon({
+      include: {
+        mdi: ['close', 'link', 'magnify', 'menu'],
+      },
+    }),
+  ],
   vite: {
     plugins: [tailwindcss()]
   }