Transaction (payment and bill) added

lib/Screens/TransactionListScreen.dart

@@ -64,6 +64,7 @@ class _TransactionScreenState extends State<TransactionListScreen> {
               expandedHeight: 245,
               backgroundColor: AppColors.errorBg,
               elevation: 0, // Remove shadow
+
               leading: Container(), // Remove back button
               toolbarHeight: 0, // Remove toolbar space
               collapsedHeight: 0, // Completely collapse to 0 height