Adds some DigitalLogger funcitonality and begins merge process with new Bridge concepts.

PepperDashEssentials/Bridges/DigitalLoggerBridge.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using Crestron.SimplSharp;
+using Crestron.SimplSharpPro.DeviceSupport;
+using PepperDash.Core;
+using PepperDash.Essentials.Core;
+using PepperDash.Essentials.Devices.Common;
+
+namespace PepperDash.Essentials.Bridges
+{
+	public static class DigitalLoggerApiExtensions
+	{
+		public static void LinkToApi(this DigitalLogger digitalLogger, BasicTriList trilist, uint joinStart, string joinMapKey)
+		{
+			var joinMap = JoinMapHelper.GetJoinMapForDevice(joinMapKey) as DigitalLoggerJoinMap;
+
+			if (joinMap == null)
+				joinMap = new DigitalLoggerJoinMap();
+
+			joinMap.OffsetJoinNumbers(joinStart);
+			Debug.Console(1, digitalLogger, "Linking to Trilist '{0}'", trilist.ID.ToString("X"));
+			for (uint i = 1; i <= digitalLogger.CircuitCount; i++)
+            {
+                var circuit = i;
+				digitalLogger.CircuitNameFeedbacks[circuit - 1].LinkInputSig(trilist.StringInput[joinMap.CircuitNames + circuit]);
+			}
+		}
+	}
+	public class DigitalLoggerJoinMap : JoinMapBase
+	{
+		public uint IsOnline { get; set; }
+		public uint CircuitNames { get; set; }
+		public DigitalLoggerJoinMap()
+		{
+			// Digital
+			IsOnline = 1;
+
+			// Serial
+			CircuitNames = 1;
+			// Analog
+		}
+
+		public override void OffsetJoinNumbers(uint joinStart)
+		{
+			var joinOffset = joinStart - 1;
+
+			IsOnline = IsOnline + joinOffset;
+			CircuitNames = CircuitNames + joinOffset;
+		}
+	}
+
+}