Can upload expenses to server

moneymgr_mobile/lib/services/api/inbox_api.dart

@@ -0,0 +1,27 @@
+import 'package:freezed_annotation/freezed_annotation.dart';
+
+import 'api_client.dart';
+
+part 'inbox_api.freezed.dart';
+part 'inbox_api.g.dart';
+
+@freezed
+abstract class UpdateInboxEntryRequest with _$UpdateInboxEntryRequest {
+  const factory UpdateInboxEntryRequest({
+    // ignore: non_constant_identifier_names
+    required int file_id,
+    required int time,
+    required String? label,
+    required double? amount,
+  }) = _UpdateInboxEntryRequest;
+
+  factory UpdateInboxEntryRequest.fromJson(Map<String, dynamic> json) =>
+      _$UpdateInboxEntryRequestFromJson(json);
+}
+
+extension InboxApi on ApiClient {
+  /// Create a new inbox entry
+  Future<void> createInboxEntry(UpdateInboxEntryRequest entry) async {
+    await execute("/inbox", method: "POST", data: entry.toJson());
+  }
+}