New Commands & piped interpreter!

TermEngine/Core/ICOmmand.cs

@@ -0,0 +1,14 @@
+namespace TermApp.Core
+{
+
+    public interface ICommand
+    {
+
+        string Name { get; }
+        string Description { get; }
+        void Execute(string[] args, string input = null);
+
+    }
+
+}
+