Everywhere: Hoist the Libraries folder to the top-level

Author: https://github.com/trflynn89
Commit: 93712b24bf
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/2256
Reviewed-by: https://github.com/sideshowbarker

Libraries/LibWeb/HTML/Parser/HTMLTokenizerHelpers.h

@@ -0,0 +1,19 @@
+/*
+ * Copyright (c) 2024, Andrew Kaster <akaster@serenityos.org>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#pragma once
+
+#include <AK/String.h>
+#include <AK/StringView.h>
+#include <optional>
+
+namespace Web::HTML {
+
+// Swift-friendly wrapper for TextCodec::Decoder::to_utf8
+using OptionalString = std::optional<String>;
+OptionalString decode_to_utf8(StringView text, StringView encoding);
+
+}