refactor(core): enhance SDK structure and documentation

Co-authored-by: Qwen-Coder <qwen-coder@alibabacloud.com>

src/Data/B2C/B2CPaymentResponseData.php

@@ -0,0 +1,22 @@
+<?php
+
+namespace Apoloz\AlfaBank\Data\B2C;
+
+use Spatie\LaravelData\Attributes\DataCollectionOf;
+use Spatie\LaravelData\Data;
+use Spatie\LaravelData\DataCollection;
+
+class B2CPaymentResponseData extends Data
+{
+    public function __construct(
+        public string $status,
+        public ?string $transactionId = null,
+    ) {}
+}
+
+class B2CPaymentReportData extends Data
+{
+    public function __construct(
+        public array $payments = [],
+    ) {}
+}