feat: move offline indicator to header, rename to Offline-Modus, and redesign tasting form

src/app/page.tsx

@@ -10,6 +10,7 @@ import SessionList from "@/components/SessionList";
 import StatsDashboard from "@/components/StatsDashboard";
 import DramOfTheDay from "@/components/DramOfTheDay";
 import LanguageSwitcher from "@/components/LanguageSwitcher";
+import OfflineIndicator from "@/components/OfflineIndicator";
 import { useI18n } from "@/i18n/I18nContext";
 import { useSession } from "@/context/SessionContext";
 import { Sparkles } from "lucide-react";
@@ -181,6 +182,7 @@ export default function Home() {
                         )}
                     </div>
                     <div className="flex flex-wrap items-center justify-center sm:justify-end gap-3 md:gap-4">
+                        <OfflineIndicator />
                         <LanguageSwitcher />
                         <DramOfTheDay bottles={bottles} />
                         <button