fix: Starlight social-Config auf Objekt-Format korrigieren

social erwartet in dieser Version ein Objekt, kein Array.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

astro.config.mjs

@@ -11,9 +11,9 @@ export default defineConfig({
         src: './src/assets/logo.svg',
         replacesTitle: false,
       },
-      social: [
-        { icon: 'external', label: 'BTC AG', href: 'https://www.btc-ag.com' },
-      ],
+      social: {
+        github: 'https://git.coolai.btc-ag.cloud/thsoring/docs',
+      },
       editLink: {
         baseUrl: 'https://git.coolai.btc-ag.cloud/thsoring/docs/edit/main/',
       },
@@ -60,7 +60,6 @@ export default defineConfig({
           attrs: { property: 'og:image', content: '/og-image.png' },
         },
       ],
-      components: {},
     }),
   ],
 });