Add Initial teamcity support

src/Logging/TeamCity/Subscriber/Subscriber.php

@@ -0,0 +1,22 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Pest\Logging\TeamCity\Subscriber;
+
+use Pest\Logging\TeamCity\TeamCityLogger;
+
+/**
+ * @internal
+ */
+abstract class Subscriber
+{
+    public function __construct(private readonly TeamCityLogger $logger)
+    {
+    }
+
+    final protected function logger(): TeamCityLogger
+    {
+        return $this->logger;
+    }
+}