refactor: rearrange and add solution for 4-series

src/PepperDash.Essentials.Devices.Common/VideoCodec/Interfaces/IHasMeetingLock.cs

@@ -0,0 +1,18 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using Crestron.SimplSharp;
+using PepperDash.Essentials.Core;
+
+namespace PepperDash.Essentials.Devices.Common.VideoCodec.Interfaces
+{
+    public interface IHasMeetingLock
+    {
+        BoolFeedback MeetingIsLockedFeedback { get; }
+
+        void LockMeeting();
+        void UnLockMeeting();
+        void ToggleMeetingLock();
+    }
+}