Move files and folders to new repo format to enable multi-project format

Zennysoft.Game.Ma/src/enemy/IKnockbackable.cs

@@ -0,0 +1,8 @@
+using Godot;
+
+namespace Zennysoft.Game.Ma;
+
+public interface IKnockbackable
+{
+  public void Knockback(float impulse, Vector3 direction);
+}