Convert main static references off of Electron into interface implementation and expose the underlying Socket for low level interaction.

ElectronNET.API/Interfaces/IApplicationSocket.cs

@@ -0,0 +1,15 @@
+using Quobject.SocketIoClientDotNet.Client;
+
+namespace ElectronNET.API.Interfaces
+{
+    /// <summary>
+    /// Wrapper for the underlying Socket connection
+    /// </summary>
+    public interface IApplicationSocket
+    {
+        /// <summary>
+        /// Socket used to communicate with main.js
+        /// </summary>
+        Socket Socket { get; }
+    }
+}