refactor: move some files around and rename things

* renamed comm -> net to better match with standard
.NET stuff
* moved all comm interfaces to single files
* moved all net interfaces to net/interfaces folder
and adjusted namespaces accordingly

src/Pepperdash Core/Net/Interfaces/ICommunicationReceiver.cs

@@ -0,0 +1,33 @@
+using PepperDash.Core.Interfaces;
+using System;
+
+namespace PepperDash.Core.Net.Interfaces
+{
+    /// <summary>
+    /// An incoming communication stream
+    /// </summary>
+    public interface ICommunicationReceiver : IKeyed
+    {
+        /// <summary>
+        /// Notifies of bytes received
+        /// </summary>
+        event EventHandler<GenericCommMethodReceiveBytesArgs> BytesReceived;
+        /// <summary>
+        /// Notifies of text received
+        /// </summary>
+        event EventHandler<GenericCommMethodReceiveTextArgs> TextReceived;
+
+        /// <summary>
+        /// Indicates connection status
+        /// </summary>
+        bool IsConnected { get; }
+        /// <summary>
+        /// Connect to the device
+        /// </summary>
+        void Connect();
+        /// <summary>
+        /// Disconnect from the device
+        /// </summary>
+        void Disconnect();
+    }
+}