Add quick interactions locally

Quick Interactions/CSharp/Client/CrabUI/Components/CUIPages.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+
+using Barotrauma;
+using Microsoft.Xna.Framework;
+using Microsoft.Xna.Framework.Input;
+using Microsoft.Xna.Framework.Graphics;
+
+namespace QICrabUI
+{
+  /// <summary>
+  /// Container for other components  
+  /// Can have only 1 child  
+  /// Sets component as it's only child when you open it (as a page)
+  /// </summary>
+  public class CUIPages : CUIComponent
+  {
+    public CUIComponent OpenedPage;
+
+    public bool IsOpened(CUIComponent p) => OpenedPage == p;
+
+    /// <summary>
+    /// Adds page as its only child
+    /// </summary>
+    /// <param name="page"></param>
+    public void Open(CUIComponent page)
+    {
+      RemoveAllChildren();
+      Append(page);
+      page.Relative = new CUINullRect(0, 0, 1, 1);
+      OpenedPage = page;
+    }
+
+    public CUIPages() : base()
+    {
+      BackgroundColor = Color.Transparent;
+      Border.Color = Color.Transparent;
+      CullChildren = false;
+    }
+  }
+}