Basic budget sliders

lib/domains/budget/budget_event.dart

@@ -13,4 +13,35 @@ final class BudgetsLoad extends BudgetEvent {
 
   @override
   List<Object> get props => [budgets];
-}
+}
+
+final class BudgetAdd extends BudgetEvent {
+  final String label;
+
+  const BudgetAdd(this.label);
+
+  @override
+  List<Object> get props => [label];
+}
+
+final class BudgetRemove extends BudgetEvent {
+  final Budget budget;
+
+  const BudgetRemove(this.budget);
+
+  @override
+  List<Object> get props => [budget];
+}
+
+final class BudgetSetValue extends BudgetEvent {
+  final Budget budget;
+  final double value;
+
+  const BudgetSetValue(this.budget, this.value);
+
+  @override
+  List<Object> get props => [budget, value];
+}
+
+final class BudgetCompareNext extends BudgetEvent {}
+final class BudgetComparePrevious extends BudgetEvent {}