feat: add rows count (broken), fix: bug with low stock items

lib/models/settings.dart

@@ -1,26 +1,31 @@
 enum AppThemeMode { system, light, dark, ugly }
+
 enum AppLanguage { system, english, dutch }
 
 class AppSettings {
   final bool pinRequired;
   final AppThemeMode themeMode;
   final AppLanguage language;
+  final int barGridRows;
 
   const AppSettings({
     required this.pinRequired,
     required this.themeMode,
     this.language = AppLanguage.system,
+    this.barGridRows = 3,
   });
 
   AppSettings copyWith({
     bool? pinRequired,
     AppThemeMode? themeMode,
     AppLanguage? language,
+    int? barGridRows,
   }) {
     return AppSettings(
       pinRequired: pinRequired ?? this.pinRequired,
       themeMode: themeMode ?? this.themeMode,
       language: language ?? this.language,
+      barGridRows: barGridRows ?? this.barGridRows,
     );
   }
 
@@ -35,8 +40,10 @@ class AppSettings {
       other is AppSettings &&
           pinRequired == other.pinRequired &&
           themeMode == other.themeMode &&
-          language == other.language;
+          language == other.language &&
+          barGridRows == other.barGridRows;
 
   @override
-  int get hashCode => Object.hash(pinRequired, themeMode, language);
+  int get hashCode =>
+      Object.hash(pinRequired, themeMode, language, barGridRows);
 }