♻️ Refactor riverpod pagination loading

lib/models/wallet.dart

@@ -0,0 +1,37 @@
+import 'package:freezed_annotation/freezed_annotation.dart';
+import 'package:island/models/user.dart';
+
+part 'wallet.freezed.dart';
+part 'wallet.g.dart';
+
+@freezed
+abstract class SnWallet with _$SnWallet {
+  const factory SnWallet({
+    required String id,
+    required List<SnWalletPocket> pockets,
+    required String accountId,
+    required SnAccount? account,
+    required DateTime createdAt,
+    required DateTime updatedAt,
+    required DateTime? deletedAt,
+  }) = _SnWallet;
+
+  factory SnWallet.fromJson(Map<String, dynamic> json) =>
+      _$SnWalletFromJson(json);
+}
+
+@freezed
+abstract class SnWalletPocket with _$SnWalletPocket {
+  const factory SnWalletPocket({
+    required String id,
+    required String currency,
+    required double amount,
+    required String walletId,
+    required DateTime createdAt,
+    required DateTime updatedAt,
+    required DateTime? deletedAt,
+  }) = _SnWalletPocket;
+
+  factory SnWalletPocket.fromJson(Map<String, dynamic> json) =>
+      _$SnWalletPocketFromJson(json);
+}