refactor: rearrange and add solution for 4-series

src/PepperDash.Essentials.Core/Devices/IDspPreset.cs

@@ -0,0 +1,17 @@
+using System.Collections.Generic;
+
+namespace PepperDash.Essentials.Core
+{
+    public interface IHasDspPresets
+    {
+        List<IDspPreset> Presets { get; }
+
+        void RecallPreset(IDspPreset preset);
+
+    }
+
+    public interface IDspPreset
+    {
+        string Name { get; }
+    }
+}