Moved example menu

- Menu for example removed from Test projects and moved to exampes.
- Changed nativeLibName from raylib.dll to raylib. It should find the correct one this way but might need a dll.config file.

Test.NetFX/Program.cs

@@ -1,52 +1,11 @@
-using System;
-using System.IO;
-using System.Reflection;
-using System.Windows.Forms;
-using Raylib;
-using static Raylib.Raylib;
-
+
 namespace Test.NetFX
 {
     class Program
     {
-        [STAThread]
         static void Main(string[] args)
         {
-            Console.WriteLine("Welcome to raylib-cs!");
-
-            var dir = Environment.CurrentDirectory + "../../../Examples";
-            while (true)
-            {
-                var ofd = new OpenFileDialog
-                {
-                    Filter = @"C#|*.cs",
-                    Title = @"Select raylib example",
-                    InitialDirectory = dir
-                };
-
-                if (ofd.ShowDialog() != DialogResult.OK)
-                    return;
-
-                var test = Path.GetFileNameWithoutExtension(ofd.FileName);
-                Console.WriteLine("Running example " + test + "...");
-
-                ChangeDirectory(Path.GetDirectoryName(ofd.FileName));
-
-                var call = Type.GetType(test)?.GetMethod("Main");
-
-                try
-                {
-                    call?.Invoke(null, args);
-                }
-                catch (TargetInvocationException ex)
-                {
-                    Console.WriteLine(ex.Message);
-                    Console.WriteLine(ex.InnerException.Message);
-                    Console.ReadLine();
-                }
-
-                Console.WriteLine();
-            }
+            Examples.Test.Run(args);
         }
     }
 }