refactor: rearrange and add solution for 4-series

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

@@ -0,0 +1,30 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using Crestron.SimplSharp;
+
+namespace PepperDash.Essentials.Devices.Common.VideoCodec.Interfaces
+{
+    /// <summary>
+    /// Describes the ability to start an ad-hoc meeting
+    /// </summary>
+    public interface IHasStartMeeting
+    {
+        /// <summary>
+        /// The default meeting duration in minutes
+        /// </summary>
+        uint DefaultMeetingDurationMin { get; }
+
+        /// <summary>
+        /// Start an ad-hoc meeting for the specified duration
+        /// </summary>
+        /// <param name="duration"></param>
+        void StartMeeting(uint duration);
+
+        /// <summary>
+        /// Leaves a meeting without ending it
+        /// </summary>
+        void LeaveMeeting();
+    }
+}