refactor(core): enhance SDK structure and documentation

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

src/Data/B2C/B2CPaymentRequestData.php

@@ -0,0 +1,21 @@
+<?php
+
+namespace Apoloz\AlfaBank\Data\B2C;
+
+use Spatie\LaravelData\Attributes\DataCollectionOf;
+use Spatie\LaravelData\Data;
+use Spatie\LaravelData\DataCollection;
+
+class B2CPaymentRequestData extends Data
+{
+    public function __construct(
+        public B2CClientData $client,
+        public string $inn,
+        public string $account,
+        public float $total,
+        public string $signedBody,
+        #[DataCollectionOf(B2CPaymentRecipientData::class)]
+        public DataCollection $payments,
+        public bool $nameCheck = true,
+    ) {}
+}