refactor(core): enhance SDK structure and documentation

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

src/Requests/Webhooks/GetWebhookRequest.php

@@ -0,0 +1,27 @@
+<?php
+
+namespace Apoloz\AlfaBank\Requests\Webhooks;
+
+use Apoloz\AlfaBank\Data\Webhooks\Subscriptions\WebhookSubscriptionData;
+use Saloon\Enums\Method;
+use Saloon\Http\Request;
+use Saloon\Http\Response;
+
+class GetWebhookRequest extends Request
+{
+    protected Method $method = Method::GET;
+
+    public function __construct(
+        protected string $id
+    ) {}
+
+    public function resolveEndpoint(): string
+    {
+        return "/api/v2/webhooks/{$this->id}";
+    }
+
+    public function createDtoFromResponse(Response $response): WebhookSubscriptionData
+    {
+        return WebhookSubscriptionData::from($response->json());
+    }
+}