restructure fs

lang/Nub.Lang/FuncParameter.cs

@@ -0,0 +1,9 @@
+namespace Nub.Lang;
+
+public class FuncParameter(string name, Type type)
+{
+    public string Name { get; } = name;
+    public Type Type { get; } = type;
+
+    public override string ToString() => $"{Name}: {Type}";
+}