add 00_Alternate_Langage folder and move alternate ports there

00_Alternate_Languages/33_Dice/csharp/RollGenerator.cs

@@ -0,0 +1,20 @@
+using System;
+using System.Collections.Generic;
+
+namespace BasicComputerGames.Dice
+{
+	public class RollGenerator
+	{
+		static Random _rnd = new Random();
+
+		public static void ReseedRNG(int seed) => _rnd = new Random(seed);
+
+		public IEnumerable<(int die1, int die2)> Rolls()
+		{
+			while (true)
+			{
+				yield return (_rnd.Next(1, 7), _rnd.Next(1, 7));
+			}
+		}
+	}
+}