✨ Add webhook support

src/Flow/WebhookFlow.php

@@ -0,0 +1,26 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Flow\Flow;
+
+use Closure;
+use Flow\FlowInterface;
+use Flow\Ip;
+
+class WebhookFlow extends FlowInterface
+{
+    public function __construct(private FlowInterface $flow)
+    {
+    }
+
+    public function __invoke(Ip $ip, ?Closure $callback = null): void
+    {
+        ($this->flow)($ip, $callback);
+    }
+
+    public function fn(FlowInterface $flow): FlowInterface
+    {
+        return $this->flow->fn($flow);
+    }
+}