Everywhere: Hoist the Libraries folder to the top-level

Libraries/LibUnicode/DurationFormat.h

@@ -0,0 +1,21 @@
+/*
+ * Copyright (c) 2024, Tim Flynn <trflynn89@serenityos.org>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#pragma once
+
+#include <AK/String.h>
+
+namespace Unicode {
+
+struct DigitalFormat {
+    String hours_minutes_separator { ":"_string };
+    String minutes_seconds_separator { ":"_string };
+    bool uses_two_digit_hours { false };
+};
+
+DigitalFormat digital_format(StringView locale);
+
+}