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/Program.cs

@@ -0,0 +1,20 @@
+using BenchmarkDotNet.Configs;
+using BenchmarkDotNet.Running;
+
+namespace Terminal.Gui.Benchmarks;
+
+class Program
+{
+    static void Main (string [] args)
+    {
+        var config = DefaultConfig.Instance;
+
+        // Uncomment for faster but less accurate intermediate iteration.
+        // Final benchmarks should be run with at least the default run length.
+        //config = config.AddJob (BenchmarkDotNet.Jobs.Job.ShortRun);
+
+        BenchmarkSwitcher
+            .FromAssembly (typeof (Program).Assembly)
+            .Run(args, config);
+    }
+}