feat: Security CSRF Fix, Logout optimierung, Footer Anpassung, Rechtstexteanpassung

src/app/admin/inhalte/page.tsx

@@ -28,6 +28,7 @@ export default async function AdminInhaltePage(props: PageProps<"/admin/inhalte"
   const groups: { key: ContentFieldDef["group"]; heading: string }[] = [
     { key: "company", heading: t.adminContentPage.groupCompany },
     { key: "home", heading: t.adminContentPage.groupHome },
+    { key: "social", heading: t.adminContentPage.groupSocial },
     { key: "legal", heading: t.adminContentPage.groupLegal },
   ];