Everywhere: Move the Ladybird folder to UI

Author: https://github.com/trflynn89
Commit: db47cc41f8
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/2256
Reviewed-by: https://github.com/sideshowbarker

UI/AppKit/Interface/Tab.h

@@ -0,0 +1,27 @@
+/*
+ * Copyright (c) 2023-2024, Tim Flynn <trflynn89@ladybird.org>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#pragma once
+
+#include <AK/Types.h>
+
+#import <Cocoa/Cocoa.h>
+#import <Interface/LadybirdWebViewWindow.h>
+
+@class LadybirdWebView;
+
+@interface Tab : LadybirdWebViewWindow
+
+- (instancetype)init;
+- (instancetype)initAsChild:(Tab*)parent
+                  pageIndex:(u64)page_index;
+
+- (void)tabWillClose;
+
+- (void)openInspector:(id)sender;
+- (void)onInspectorClosed;
+
+@end