refactor: rearrange and add solution for 4-series

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

@@ -0,0 +1,22 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using Crestron.SimplSharp;
+
+namespace PepperDash.Essentials.Core
+{
+    public interface IBasicVideoMute
+    {
+        void VideoMuteToggle();
+    }
+
+    public interface IBasicVideoMuteWithFeedback : IBasicVideoMute
+    {
+        BoolFeedback VideoMuteIsOn { get; }
+
+        void VideoMuteOn();
+        void VideoMuteOff();
+ 
+    }
+}