Fixes #4046 - Moves examples into ./Examples and fixes ./Tests (#4047)

* touching publish.yml

* Moved Examples into ./Examples

* Moved Benchmarks into ./Tests

* Moved Benchmarks into ./Tests

* Moved UICatalog into ./Examples

* Moved UICatalog into ./Examples 2

* Moved tests into ./Tests

* Updated nuget

Tests/Benchmarks/ConsoleDrivers/EscSeqUtils/CSI_SetVsAppend.cs

@@ -0,0 +1,48 @@
+using System.Text;
+using BenchmarkDotNet.Attributes;
+using Tui = Terminal.Gui;
+
+namespace Terminal.Gui.Benchmarks.ConsoleDrivers.EscSeqUtils;
+
+/// <summary>
+/// Compares the Set and Append implementations in combination.
+/// </summary>
+/// <remarks>
+/// A bit misleading because *CursorPosition is called very seldom compared to the other operations
+/// but they are very similar in performance because they do very similar things.
+/// </remarks>
+[MemoryDiagnoser]
+[BenchmarkCategory (nameof (Tui.EscSeqUtils))]
+// Hide useless empty column from results.
+[HideColumns ("stringBuilder")]
+public class CSI_SetVsAppend
+{
+    [Benchmark (Baseline = true)]
+    [ArgumentsSource (nameof (StringBuilderSource))]
+    public StringBuilder Set (StringBuilder stringBuilder)
+    {
+        stringBuilder.Append (Tui.EscSeqUtils.CSI_SetBackgroundColorRGB (1, 2, 3));
+        stringBuilder.Append (Tui.EscSeqUtils.CSI_SetForegroundColorRGB (3, 2, 1));
+        stringBuilder.Append (Tui.EscSeqUtils.CSI_SetCursorPosition (4, 2));
+        // Clear to prevent out of memory exception from consecutive iterations.
+        stringBuilder.Clear ();
+        return stringBuilder;
+    }
+
+    [Benchmark]
+    [ArgumentsSource (nameof (StringBuilderSource))]
+    public StringBuilder Append (StringBuilder stringBuilder)
+    {
+        Tui.EscSeqUtils.CSI_AppendBackgroundColorRGB (stringBuilder, 1, 2, 3);
+        Tui.EscSeqUtils.CSI_AppendForegroundColorRGB (stringBuilder, 3, 2, 1);
+        Tui.EscSeqUtils.CSI_AppendCursorPosition (stringBuilder, 4, 2);
+        // Clear to prevent out of memory exception from consecutive iterations.
+        stringBuilder.Clear ();
+        return stringBuilder;
+    }
+
+    public static IEnumerable<object> StringBuilderSource ()
+    {
+        return [new StringBuilder ()];
+    }
+}

Tests/Benchmarks/ConsoleDrivers/EscSeqUtils/CSI_SetVsWrite.cs

@@ -0,0 +1,31 @@
+using BenchmarkDotNet.Attributes;
+using Tui = Terminal.Gui;
+
+namespace Terminal.Gui.Benchmarks.ConsoleDrivers.EscSeqUtils;
+
+[MemoryDiagnoser]
+// Hide useless column from results.
+[HideColumns ("writer")]
+public class CSI_SetVsWrite
+{
+    [Benchmark (Baseline = true)]
+    [ArgumentsSource (nameof (TextWriterSource))]
+    public TextWriter Set (TextWriter writer)
+    {
+        writer.Write (Tui.EscSeqUtils.CSI_SetCursorPosition (1, 1));
+        return writer;
+    }
+
+    [Benchmark]
+    [ArgumentsSource (nameof (TextWriterSource))]
+    public TextWriter Write (TextWriter writer)
+    {
+        Tui.EscSeqUtils.CSI_WriteCursorPosition (writer, 1, 1);
+        return writer;
+    }
+
+    public static IEnumerable<object> TextWriterSource ()
+    {
+        return [StringWriter.Null];
+    }
+}