feat(sharereview): add listener registering Deck as a share source

Assisted-by: Claude Code:claude-sonnet-4-6
Signed-off-by: Andy Scherzinger <info@andy-scherzinger.de>

Author: AndyScherzinger

lib/ShareReview/ShareReviewListener.php

@@ -0,0 +1,27 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * SPDX-FileCopyrightText: 2026 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+
+namespace OCA\Deck\ShareReview;
+
+use OCA\ShareReview\Sources\SourceEvent;
+use OCP\EventDispatcher\Event;
+use OCP\EventDispatcher\IEventListener;
+
+/** @template-implements IEventListener<SourceEvent> */
+class ShareReviewListener implements IEventListener {
+	public function __construct() {
+	}
+
+	public function handle(Event $event): void {
+		if (!$event instanceof SourceEvent) {
+			return;
+		}
+		$event->registerSource(ShareReviewSource::class);
+	}
+}