refactor: Projektstruktur in app/ und backend/ aufgeteilt

app/lib/models/remark_translation.dart

@@ -0,0 +1,20 @@
+/// Represents a translated remark in a specific language
+class RemarkTranslation {
+  final String language;
+  final String text;
+
+  RemarkTranslation({required this.language, required this.text});
+
+  factory RemarkTranslation.fromJson(Map<String, dynamic> json) {
+    return RemarkTranslation(language: json['language']?.toString() ?? '', text: json['text']?.toString() ?? '');
+  }
+
+  Map<String, dynamic> toJson() {
+    return {'language': language, 'text': text};
+  }
+
+  @override
+  String toString() {
+    return 'RemarkTranslation(language: $language, text: $text)';
+  }
+}