Added theme, reworked UI

lib/domains/charts/chart_state.dart

@@ -1,6 +1,7 @@
 part of 'chart_bloc.dart';
 
 final class ChartState extends Equatable {
+  final Map<String, Category> categories;
   final List<Transaction> transactions;
   final List<TransactionLine> transactionsLines;
 
@@ -34,6 +35,7 @@ final class ChartState extends Equatable {
   final double scoppedProfit;
 
   const ChartState({
+    this.categories = const {},
     this.transactions = const [],
     this.transactionsLines = const [],
     this.globalTotal = 0,
@@ -60,6 +62,7 @@ final class ChartState extends Equatable {
   });
 
   ChartState copyWith({
+    Map<String, Category>? categories,
     List<Transaction>? transactions,
     List<TransactionLine>? transactionsLines,
     double? globalTotal,
@@ -85,6 +88,7 @@ final class ChartState extends Equatable {
     Map<int, double>? scopedMonthlyNegativeTotals,
   }) {
     return ChartState(
+      categories: categories ?? this.categories,
       transactions: transactions ?? this.transactions,
       transactionsLines: transactionsLines ?? this.transactionsLines,
       globalTotal: globalTotal ?? this.globalTotal,
@@ -113,6 +117,7 @@ final class ChartState extends Equatable {
   
   @override
   List<Object> get props => [
+    categories,
     transactions,
     transactionsLines,
     globalTotal,