Add YesNt interpreter process and command integration

UI/CLI/Commands/YesNtCommand.cs

@@ -0,0 +1,21 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+using RemSox.Processing;
+
+namespace RemSox.UI.CLI.Commands
+{
+    public class YesNtCommand : ICommand
+    {
+        public string Name => "yesnt";
+
+        public string Description => "Start the YesNt interpreter";
+
+        public async Task ExecuteAsync(string? arguments, Action<string> printLine)
+        {
+            int processId = ProcessManager.SpawnProcess<Processes.YesNtInterpreterProcess>(arguments?.Split(',') ?? []);
+            await ProcessManager.WaitForProcessExitAsync(processId);
+        }
+    }
+}