feat: add payment card grouping and analysis

lib/services/sms_scan/sms_scan_result.dart

@@ -0,0 +1,14 @@
+import '../../models/subscription_model.dart';
+import '../../models/payment_card_suggestion.dart';
+
+class SmsScanResult {
+  final SubscriptionModel model;
+  final PaymentCardSuggestion? cardSuggestion;
+  final String? rawMessage;
+
+  SmsScanResult({
+    required this.model,
+    this.cardSuggestion,
+    this.rawMessage,
+  });
+}