refactor: rearrange and add solution for 4-series

src/PepperDash.Essentials.Core/Crestron IO/Cards/C3Ry8Controller.cs

@@ -0,0 +1,29 @@
+using Crestron.SimplSharpPro;
+using Crestron.SimplSharpPro.ThreeSeriesCards;
+
+namespace PepperDash.Essentials.Core.CrestronIO.Cards
+{
+    public class C3Ry8Controller:C3CardControllerBase, IRelayPorts
+    {
+        private readonly C3ry8 _card;
+
+        public C3Ry8Controller(string key, string name, C3ry8 hardware) : base(key, name, hardware)
+        {
+            _card = hardware;
+        }
+
+        #region Implementation of IRelayPorts
+
+        public CrestronCollection<Relay> RelayPorts
+        {
+            get { return _card.RelayPorts; }
+        }
+
+        public int NumberOfRelayPorts
+        {
+            get { return _card.NumberOfRelayPorts; }
+        }
+
+        #endregion
+    }
+}