LibCore: Add swift bindings for EventLoop as an Executor and Actor

Author: https://github.com/ADKaster
Commit: c8787e6a9f
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/3880

Libraries/LibCore/EventSwift.mm

@@ -0,0 +1,22 @@
+/*
+ * Copyright (c) 2025, Andrew Kaster <andrew@ladybird.org>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#include <LibCore/EventLoop.h>
+#include <LibCore/EventSwift.h>
+
+#if !__has_feature(objc_arc)
+#    error "This file requires ARC"
+#endif
+
+namespace Core {
+void deferred_invoke_block(EventLoop& event_loop, void (^invokee)(void))
+{
+    event_loop.deferred_invoke([invokee = move(invokee)] {
+        invokee();
+    });
+}
+
+}