feat: move PD Core into Essentials

src/PepperDash.Core/Network/DiscoveryThings.cs

@@ -0,0 +1,22 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using Crestron.SimplSharp;
+
+namespace PepperDash.Core
+{
+    /// <summary>
+    /// Not in use
+    /// </summary>
+	public static class NetworkComm
+	{
+        /// <summary>
+        /// Not in use
+        /// </summary>
+		static NetworkComm()
+		{
+		}
+	}
+
+}