feat: Add Laravel tinker examples and update nominal accounts functionality

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

src/Data/NominalAccounts/Beneficiaries/Requisites/CreateRequisiteRequestData.php

@@ -14,6 +14,7 @@ namespace Apoloz\AlfaBank\Data\NominalAccounts\Beneficiaries\Requisites;
 // <SECTION name="module_imports" intent="Import necessary DTOs and Spatie Laravel Data components.">
 // <BELIEF_STATE "This DTO requires `DigestSignatureData` as a collection for security, utilizing `DataCollectionOf` for type safety.">
 use Apoloz\AlfaBank\Data\NominalAccounts\Payouts\DigestSignatureData;
+use Apoloz\AlfaBank\Traits\SignableData;
 use Spatie\LaravelData\Attributes\DataCollectionOf;
 use Spatie\LaravelData\Data;
 use Spatie\LaravelData\DataCollection;
@@ -23,12 +24,14 @@ use Spatie\LaravelData\DataCollection;
 // <BELIEF_STATE "This DTO ensures the request payload for creating a requisite is strictly typed and complete, preventing malformed requests for a critical financial operation.">
 class CreateRequisiteRequestData extends Data
 {
+    use SignableData;
+
     // <SECTION name="constructor_properties" intent="Define all properties for the requisite creation request.">
     // <BELIEF_STATE "The constructor includes mandatory fields like `type` and `digestSignatures`. Optional fields cover various payment methods (`pan`, `phoneNumber`, `accountNumber`) and identifiers (`bankId`, `bik`, `name`, `inn`, `kpp`, `beneficiaryId`, `isMain`).">
     public function __construct(
         public string $type,
         #[DataCollectionOf(DigestSignatureData::class)]
-        public DataCollection $digestSignatures,
+        public ?DataCollection $digestSignatures = null,
         public ?string $beneficiaryId = null,
         public ?string $pan = null,
         public ?string $phoneNumber = null,