refactor: ♻️ Improve files import.

Author: Chralu

lib/src/infrastructure/def_tokens.repository.dart

@@ -1,6 +1,8 @@
 import 'dart:convert';
 
-import 'package:archethic_dapp_framework_flutter/archethic_dapp_framework_flutter.dart';
+import 'package:archethic_dapp_framework_flutter/src/domain/models/ae_token.dart';
+import 'package:archethic_dapp_framework_flutter/src/domain/models/environment.dart';
+import 'package:archethic_dapp_framework_flutter/src/domain/repositories/tokens/def_tokens.repository.dart';
 import 'package:flutter/services.dart';
 
 class DefTokensRepositoryImpl implements DefTokensRepositoryInterface {

lib/src/infrastructure/ucids_tokens.repository.dart

@@ -2,7 +2,9 @@
 
 import 'dart:convert';
 
-import 'package:archethic_dapp_framework_flutter/archethic_dapp_framework_flutter.dart';
+import 'package:archethic_dapp_framework_flutter/src/domain/models/environment.dart';
+import 'package:archethic_dapp_framework_flutter/src/domain/models/ucids_tokens.dart';
+import 'package:archethic_dapp_framework_flutter/src/domain/repositories/tokens/ucids_tokens.repository.dart';
 import 'package:flutter/services.dart';
 
 class UcidsTokensRepositoryImpl implements UcidsTokensRepositoryInterface {