Guidebook Tables (#28484)

* PJB's cool table control (it probably doesn't work)

* ok wait wrong file

* Guidebook Tables

Content.Client/Guidebook/Richtext/Table.cs

@@ -0,0 +1,27 @@
+using System.Diagnostics.CodeAnalysis;
+using Content.Client.UserInterface.Controls;
+using JetBrains.Annotations;
+using Robust.Client.UserInterface;
+
+namespace Content.Client.Guidebook.Richtext;
+
+[UsedImplicitly]
+public sealed class Table : TableContainer, IDocumentTag
+{
+    public bool TryParseTag(Dictionary<string, string> args, [NotNullWhen(true)] out Control? control)
+    {
+        HorizontalExpand = true;
+        control = this;
+
+        if (!args.TryGetValue("Columns", out var columns) || !int.TryParse(columns, out var columnsCount))
+        {
+            Logger.Error("Guidebook tag \"Table\" does not specify required property \"Columns.\"");
+            control = null;
+            return false;
+        }
+
+        Columns = columnsCount;
+
+        return true;
+    }
+}