price extension added

lib/core/utils/price_extension.dart

@@ -0,0 +1,28 @@
+extension PriceExtension on num {
+  /// Formats the number with commas every 3 digits
+  String get formattedPrice {
+    final numberString = toString();
+    final parts = numberString.split('.');
+    final integerPart = parts[0];
+    final decimalPart = parts.length > 1 ? '.${parts[1]}' : '';
+
+    final formattedInteger = _addCommas(integerPart);
+    return formattedInteger + decimalPart;
+  }
+
+  String _addCommas(String number) {
+    if (number.length <= 3) {
+      return number;
+    }
+
+    final reversed = number.split('').reversed.join('');
+    final chunks = <String>[];
+
+    for (int i = 0; i < reversed.length; i += 3) {
+      final end = (i + 3 < reversed.length) ? i + 3 : reversed.length;
+      chunks.add(reversed.substring(i, end));
+    }
+
+    return chunks.join(',').split('').reversed.join('');
+  }
+}