refactor: rearrange and add solution for 4-series

src/PepperDash.Essentials.Core/Bridges/IBridge.cs

@@ -0,0 +1,12 @@
+using Crestron.SimplSharpPro.DeviceSupport;
+
+namespace PepperDash.Essentials.Core.Bridges
+{
+    /// <summary>
+    /// Defines a device that uses JoinMapBaseAdvanced for its join map
+    /// </summary>
+    public interface IBridgeAdvanced
+    {
+        void LinkToApi(BasicTriList trilist, uint joinStart, string joinMapKey, EiscApiAdvanced bridge);
+    }
+}